Home / 3,932.71-5,426.81-2,440.08

Finding the Fourth Proportional to 3,932.71, 5,426.81 and 2,440.08

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Solution

The fourth proportional to 3,932.71, 5,426.81 and 2,440.08 is: 3,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.71 : 5,426.81 = 2,440.08 : x
  2. Step 2: Convert to fraction form
    3,932.71/5,426.81 = 2,440.08/x
  3. Step 3: Cross multiply
    3,932.71x = 5,426.81 × 2,440.08
  4. Step 4: Simplify right side
    3,932.71x = 13,241,861.22
  5. Step 5: Solve for x
    x = 13,241,861.22/3,932.71
  6. Step 6: Final answer
    x = 3,367.11

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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.