Home / 1,957.17-2,931.62-1,337.97

Finding the Fourth Proportional to 1,957.17, 2,931.62 and 1,337.97

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Solution

The fourth proportional to 1,957.17, 2,931.62 and 1,337.97 is: 2,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.17 : 2,931.62 = 1,337.97 : x
  2. Step 2: Convert to fraction form
    1,957.17/2,931.62 = 1,337.97/x
  3. Step 3: Cross multiply
    1,957.17x = 2,931.62 × 1,337.97
  4. Step 4: Simplify right side
    1,957.17x = 3,922,412.92
  5. Step 5: Solve for x
    x = 3,922,412.92/1,957.17
  6. Step 6: Final answer
    x = 2,004.12

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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.