Home / 3,868.92-5,338.98-2,545.92

Finding the Fourth Proportional to 3,868.92, 5,338.98 and 2,545.92

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Solution

The fourth proportional to 3,868.92, 5,338.98 and 2,545.92 is: 3,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.92 : 5,338.98 = 2,545.92 : x
  2. Step 2: Convert to fraction form
    3,868.92/5,338.98 = 2,545.92/x
  3. Step 3: Cross multiply
    3,868.92x = 5,338.98 × 2,545.92
  4. Step 4: Simplify right side
    3,868.92x = 13,592,615.96
  5. Step 5: Solve for x
    x = 13,592,615.96/3,868.92
  6. Step 6: Final answer
    x = 3,513.28

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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.