Home / 2,545.12-3,503.87-2,213.37

Finding the Fourth Proportional to 2,545.12, 3,503.87 and 2,213.37

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Solution

The fourth proportional to 2,545.12, 3,503.87 and 2,213.37 is: 3,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.12 : 3,503.87 = 2,213.37 : x
  2. Step 2: Convert to fraction form
    2,545.12/3,503.87 = 2,213.37/x
  3. Step 3: Cross multiply
    2,545.12x = 3,503.87 × 2,213.37
  4. Step 4: Simplify right side
    2,545.12x = 7,755,358.62
  5. Step 5: Solve for x
    x = 7,755,358.62/2,545.12
  6. Step 6: Final answer
    x = 3,047.15

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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.