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Finding the Fourth Proportional to 3,444.67, 4,753.62 and 1,872.76

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Solution

The fourth proportional to 3,444.67, 4,753.62 and 1,872.76 is: 2,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.67 : 4,753.62 = 1,872.76 : x
  2. Step 2: Convert to fraction form
    3,444.67/4,753.62 = 1,872.76/x
  3. Step 3: Cross multiply
    3,444.67x = 4,753.62 × 1,872.76
  4. Step 4: Simplify right side
    3,444.67x = 8,902,389.39
  5. Step 5: Solve for x
    x = 8,902,389.39/3,444.67
  6. Step 6: Final answer
    x = 2,584.40

Related Problems

Find fourth proportional to 1,722.34, 2,376.81 and 936.38
Half scale
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Double scale
Find fourth proportional to 3,445.67, 4,755 and 1,873.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.