Home / 3,287.55-4,925.85-2,311.61

Finding the Fourth Proportional to 3,287.55, 4,925.85 and 2,311.61

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Solution

The fourth proportional to 3,287.55, 4,925.85 and 2,311.61 is: 3,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.55 : 4,925.85 = 2,311.61 : x
  2. Step 2: Convert to fraction form
    3,287.55/4,925.85 = 2,311.61/x
  3. Step 3: Cross multiply
    3,287.55x = 4,925.85 × 2,311.61
  4. Step 4: Simplify right side
    3,287.55x = 11,386,619.49
  5. Step 5: Solve for x
    x = 11,386,619.49/3,287.55
  6. Step 6: Final answer
    x = 3,463.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.