Home / 3,742.53-5,614.29-1,276.69

Finding the Fourth Proportional to 3,742.53, 5,614.29 and 1,276.69

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Solution

The fourth proportional to 3,742.53, 5,614.29 and 1,276.69 is: 1,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.53 : 5,614.29 = 1,276.69 : x
  2. Step 2: Convert to fraction form
    3,742.53/5,614.29 = 1,276.69/x
  3. Step 3: Cross multiply
    3,742.53x = 5,614.29 × 1,276.69
  4. Step 4: Simplify right side
    3,742.53x = 7,167,701.52
  5. Step 5: Solve for x
    x = 7,167,701.52/3,742.53
  6. Step 6: Final answer
    x = 1,915.20

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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.