Home / 2,247.04-3,375.36-2,115.52

Finding the Fourth Proportional to 2,247.04, 3,375.36 and 2,115.52

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Solution

The fourth proportional to 2,247.04, 3,375.36 and 2,115.52 is: 3,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.04 : 3,375.36 = 2,115.52 : x
  2. Step 2: Convert to fraction form
    2,247.04/3,375.36 = 2,115.52/x
  3. Step 3: Cross multiply
    2,247.04x = 3,375.36 × 2,115.52
  4. Step 4: Simplify right side
    2,247.04x = 7,140,641.59
  5. Step 5: Solve for x
    x = 7,140,641.59/2,247.04
  6. Step 6: Final answer
    x = 3,177.80

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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.