Home / 2,545.43-3,505.28-2,447.01

Finding the Fourth Proportional to 2,545.43, 3,505.28 and 2,447.01

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Solution

The fourth proportional to 2,545.43, 3,505.28 and 2,447.01 is: 3,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.43 : 3,505.28 = 2,447.01 : x
  2. Step 2: Convert to fraction form
    2,545.43/3,505.28 = 2,447.01/x
  3. Step 3: Cross multiply
    2,545.43x = 3,505.28 × 2,447.01
  4. Step 4: Simplify right side
    2,545.43x = 8,577,442.98
  5. Step 5: Solve for x
    x = 8,577,442.98/2,545.43
  6. Step 6: Final answer
    x = 3,369.75

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1.5x scale

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.