Home / 3,931.71-5,424.76-2,338.27

Finding the Fourth Proportional to 3,931.71, 5,424.76 and 2,338.27

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Solution

The fourth proportional to 3,931.71, 5,424.76 and 2,338.27 is: 3,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.71 : 5,424.76 = 2,338.27 : x
  2. Step 2: Convert to fraction form
    3,931.71/5,424.76 = 2,338.27/x
  3. Step 3: Cross multiply
    3,931.71x = 5,424.76 × 2,338.27
  4. Step 4: Simplify right side
    3,931.71x = 12,684,553.57
  5. Step 5: Solve for x
    x = 12,684,553.57/3,931.71
  6. Step 6: Final answer
    x = 3,226.22

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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.