Home / 2,437.72-3,658.20-1,139.29

Finding the Fourth Proportional to 2,437.72, 3,658.20 and 1,139.29

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Solution

The fourth proportional to 2,437.72, 3,658.20 and 1,139.29 is: 1,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.72 : 3,658.20 = 1,139.29 : x
  2. Step 2: Convert to fraction form
    2,437.72/3,658.20 = 1,139.29/x
  3. Step 3: Cross multiply
    2,437.72x = 3,658.20 × 1,139.29
  4. Step 4: Simplify right side
    2,437.72x = 4,167,750.68
  5. Step 5: Solve for x
    x = 4,167,750.68/2,437.72
  6. Step 6: Final answer
    x = 1,709.69

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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.