Home / 2,379.40-3,569.20-737.06

Finding the Fourth Proportional to 2,379.40, 3,569.20 and 737.06

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Solution

The fourth proportional to 2,379.40, 3,569.20 and 737.06 is: 1,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.40 : 3,569.20 = 737.06 : x
  2. Step 2: Convert to fraction form
    2,379.40/3,569.20 = 737.06/x
  3. Step 3: Cross multiply
    2,379.40x = 3,569.20 × 737.06
  4. Step 4: Simplify right side
    2,379.40x = 2,630,694.86
  5. Step 5: Solve for x
    x = 2,630,694.86/2,379.40
  6. Step 6: Final answer
    x = 1,105.61

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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.