Home / 2,931.68-4,397.90-1,350.02

Finding the Fourth Proportional to 2,931.68, 4,397.90 and 1,350.02

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Solution

The fourth proportional to 2,931.68, 4,397.90 and 1,350.02 is: 2,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.68 : 4,397.90 = 1,350.02 : x
  2. Step 2: Convert to fraction form
    2,931.68/4,397.90 = 1,350.02/x
  3. Step 3: Cross multiply
    2,931.68x = 4,397.90 × 1,350.02
  4. Step 4: Simplify right side
    2,931.68x = 5,937,257.20
  5. Step 5: Solve for x
    x = 5,937,257.20/2,931.68
  6. Step 6: Final answer
    x = 2,025.20

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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.