Home / 3,031.80-4,545.19-2,104.62

Finding the Fourth Proportional to 3,031.80, 4,545.19 and 2,104.62

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Solution

The fourth proportional to 3,031.80, 4,545.19 and 2,104.62 is: 3,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.80 : 4,545.19 = 2,104.62 : x
  2. Step 2: Convert to fraction form
    3,031.80/4,545.19 = 2,104.62/x
  3. Step 3: Cross multiply
    3,031.80x = 4,545.19 × 2,104.62
  4. Step 4: Simplify right side
    3,031.80x = 9,565,897.78
  5. Step 5: Solve for x
    x = 9,565,897.78/3,031.80
  6. Step 6: Final answer
    x = 3,155.19

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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.