Home / 3,186.56-4,397.16-1,789.04

Finding the Fourth Proportional to 3,186.56, 4,397.16 and 1,789.04

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Solution

The fourth proportional to 3,186.56, 4,397.16 and 1,789.04 is: 2,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.56 : 4,397.16 = 1,789.04 : x
  2. Step 2: Convert to fraction form
    3,186.56/4,397.16 = 1,789.04/x
  3. Step 3: Cross multiply
    3,186.56x = 4,397.16 × 1,789.04
  4. Step 4: Simplify right side
    3,186.56x = 7,866,695.13
  5. Step 5: Solve for x
    x = 7,866,695.13/3,186.56
  6. Step 6: Final answer
    x = 2,468.71

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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.