Home / 2,587.47-3,881.20-944.14

Finding the Fourth Proportional to 2,587.47, 3,881.20 and 944.14

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Solution

The fourth proportional to 2,587.47, 3,881.20 and 944.14 is: 1,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.47 : 3,881.20 = 944.14 : x
  2. Step 2: Convert to fraction form
    2,587.47/3,881.20 = 944.14/x
  3. Step 3: Cross multiply
    2,587.47x = 3,881.20 × 944.14
  4. Step 4: Simplify right side
    2,587.47x = 3,664,376.76
  5. Step 5: Solve for x
    x = 3,664,376.76/2,587.47
  6. Step 6: Final answer
    x = 1,416.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.