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Finding the Fourth Proportional to 2,300.64, 3,450.96 and 1,376.47

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Solution

The fourth proportional to 2,300.64, 3,450.96 and 1,376.47 is: 2,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300.64 : 3,450.96 = 1,376.47 : x
  2. Step 2: Convert to fraction form
    2,300.64/3,450.96 = 1,376.47/x
  3. Step 3: Cross multiply
    2,300.64x = 3,450.96 × 1,376.47
  4. Step 4: Simplify right side
    2,300.64x = 4,750,134.28
  5. Step 5: Solve for x
    x = 4,750,134.28/2,300.64
  6. Step 6: Final answer
    x = 2,064.70

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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.