Home / 3,927.89-5,422.98-2,732.43

Finding the Fourth Proportional to 3,927.89, 5,422.98 and 2,732.43

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Solution

The fourth proportional to 3,927.89, 5,422.98 and 2,732.43 is: 3,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.89 : 5,422.98 = 2,732.43 : x
  2. Step 2: Convert to fraction form
    3,927.89/5,422.98 = 2,732.43/x
  3. Step 3: Cross multiply
    3,927.89x = 5,422.98 × 2,732.43
  4. Step 4: Simplify right side
    3,927.89x = 14,817,913.24
  5. Step 5: Solve for x
    x = 14,817,913.24/3,927.89
  6. Step 6: Final answer
    x = 3,772.49

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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.