Home / 2,231.07-3,347.01-932.55

Finding the Fourth Proportional to 2,231.07, 3,347.01 and 932.55

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Solution

The fourth proportional to 2,231.07, 3,347.01 and 932.55 is: 1,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.07 : 3,347.01 = 932.55 : x
  2. Step 2: Convert to fraction form
    2,231.07/3,347.01 = 932.55/x
  3. Step 3: Cross multiply
    2,231.07x = 3,347.01 × 932.55
  4. Step 4: Simplify right side
    2,231.07x = 3,121,254.18
  5. Step 5: Solve for x
    x = 3,121,254.18/2,231.07
  6. Step 6: Final answer
    x = 1,398.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.