Home / 3,766.80-5,200.15-2,925.61

Finding the Fourth Proportional to 3,766.80, 5,200.15 and 2,925.61

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Solution

The fourth proportional to 3,766.80, 5,200.15 and 2,925.61 is: 4,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.80 : 5,200.15 = 2,925.61 : x
  2. Step 2: Convert to fraction form
    3,766.80/5,200.15 = 2,925.61/x
  3. Step 3: Cross multiply
    3,766.80x = 5,200.15 × 2,925.61
  4. Step 4: Simplify right side
    3,766.80x = 15,213,610.84
  5. Step 5: Solve for x
    x = 15,213,610.84/3,766.80
  6. Step 6: Final answer
    x = 4,038.87

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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.