Home / 4,052.80-6,079.19-3,129.70

Finding the Fourth Proportional to 4,052.80, 6,079.19 and 3,129.70

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Solution

The fourth proportional to 4,052.80, 6,079.19 and 3,129.70 is: 4,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.80 : 6,079.19 = 3,129.70 : x
  2. Step 2: Convert to fraction form
    4,052.80/6,079.19 = 3,129.70/x
  3. Step 3: Cross multiply
    4,052.80x = 6,079.19 × 3,129.70
  4. Step 4: Simplify right side
    4,052.80x = 19,026,054.64
  5. Step 5: Solve for x
    x = 19,026,054.64/4,052.80
  6. Step 6: Final answer
    x = 4,694.55

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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.