Home / 3,679.19-5,077.30-2,000.61

Finding the Fourth Proportional to 3,679.19, 5,077.30 and 2,000.61

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Solution

The fourth proportional to 3,679.19, 5,077.30 and 2,000.61 is: 2,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.19 : 5,077.30 = 2,000.61 : x
  2. Step 2: Convert to fraction form
    3,679.19/5,077.30 = 2,000.61/x
  3. Step 3: Cross multiply
    3,679.19x = 5,077.30 × 2,000.61
  4. Step 4: Simplify right side
    3,679.19x = 10,157,697.15
  5. Step 5: Solve for x
    x = 10,157,697.15/3,679.19
  6. Step 6: Final answer
    x = 2,760.85

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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.