Home / 3,545.28-4,891.96-2,218.52

Finding the Fourth Proportional to 3,545.28, 4,891.96 and 2,218.52

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Solution

The fourth proportional to 3,545.28, 4,891.96 and 2,218.52 is: 3,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.28 : 4,891.96 = 2,218.52 : x
  2. Step 2: Convert to fraction form
    3,545.28/4,891.96 = 2,218.52/x
  3. Step 3: Cross multiply
    3,545.28x = 4,891.96 × 2,218.52
  4. Step 4: Simplify right side
    3,545.28x = 10,852,911.10
  5. Step 5: Solve for x
    x = 10,852,911.10/3,545.28
  6. Step 6: Final answer
    x = 3,061.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.