Home / 3,679.44-5,077.64-2,000.86

Finding the Fourth Proportional to 3,679.44, 5,077.64 and 2,000.86

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Solution

The fourth proportional to 3,679.44, 5,077.64 and 2,000.86 is: 2,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.44 : 5,077.64 = 2,000.86 : x
  2. Step 2: Convert to fraction form
    3,679.44/5,077.64 = 2,000.86/x
  3. Step 3: Cross multiply
    3,679.44x = 5,077.64 × 2,000.86
  4. Step 4: Simplify right side
    3,679.44x = 10,159,646.77
  5. Step 5: Solve for x
    x = 10,159,646.77/3,679.44
  6. Step 6: Final answer
    x = 2,761.19

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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.