Home / 2,232.72-3,349.24-1,139.28

Finding the Fourth Proportional to 2,232.72, 3,349.24 and 1,139.28

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Solution

The fourth proportional to 2,232.72, 3,349.24 and 1,139.28 is: 1,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.72 : 3,349.24 = 1,139.28 : x
  2. Step 2: Convert to fraction form
    2,232.72/3,349.24 = 1,139.28/x
  3. Step 3: Cross multiply
    2,232.72x = 3,349.24 × 1,139.28
  4. Step 4: Simplify right side
    2,232.72x = 3,815,722.15
  5. Step 5: Solve for x
    x = 3,815,722.15/2,232.72
  6. Step 6: Final answer
    x = 1,709.00

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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.