Home / 3,932.31-5,432.09-3,577.60

Finding the Fourth Proportional to 3,932.31, 5,432.09 and 3,577.60

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Solution

The fourth proportional to 3,932.31, 5,432.09 and 3,577.60 is: 4,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.31 : 5,432.09 = 3,577.60 : x
  2. Step 2: Convert to fraction form
    3,932.31/5,432.09 = 3,577.60/x
  3. Step 3: Cross multiply
    3,932.31x = 5,432.09 × 3,577.60
  4. Step 4: Simplify right side
    3,932.31x = 19,433,845.18
  5. Step 5: Solve for x
    x = 19,433,845.18/3,932.31
  6. Step 6: Final answer
    x = 4,942.09

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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.