Home / 3,189.88-4,785.19-1,545.24

Finding the Fourth Proportional to 3,189.88, 4,785.19 and 1,545.24

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Solution

The fourth proportional to 3,189.88, 4,785.19 and 1,545.24 is: 2,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.88 : 4,785.19 = 1,545.24 : x
  2. Step 2: Convert to fraction form
    3,189.88/4,785.19 = 1,545.24/x
  3. Step 3: Cross multiply
    3,189.88x = 4,785.19 × 1,545.24
  4. Step 4: Simplify right side
    3,189.88x = 7,394,267.00
  5. Step 5: Solve for x
    x = 7,394,267.00/3,189.88
  6. Step 6: Final answer
    x = 2,318.04

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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.