Home / 1,691.27-2,332.46-1,250.27

Finding the Fourth Proportional to 1,691.27, 2,332.46 and 1,250.27

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Solution

The fourth proportional to 1,691.27, 2,332.46 and 1,250.27 is: 1,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.27 : 2,332.46 = 1,250.27 : x
  2. Step 2: Convert to fraction form
    1,691.27/2,332.46 = 1,250.27/x
  3. Step 3: Cross multiply
    1,691.27x = 2,332.46 × 1,250.27
  4. Step 4: Simplify right side
    1,691.27x = 2,916,198.51
  5. Step 5: Solve for x
    x = 2,916,198.51/1,691.27
  6. Step 6: Final answer
    x = 1,724.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.