Home / 3,187.28-4,773.15-2,258.42

Finding the Fourth Proportional to 3,187.28, 4,773.15 and 2,258.42

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Solution

The fourth proportional to 3,187.28, 4,773.15 and 2,258.42 is: 3,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.28 : 4,773.15 = 2,258.42 : x
  2. Step 2: Convert to fraction form
    3,187.28/4,773.15 = 2,258.42/x
  3. Step 3: Cross multiply
    3,187.28x = 4,773.15 × 2,258.42
  4. Step 4: Simplify right side
    3,187.28x = 10,779,753.56
  5. Step 5: Solve for x
    x = 10,779,753.56/3,187.28
  6. Step 6: Final answer
    x = 3,382.11

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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.