Home / 4,159.20-6,238.66-1,693.95

Finding the Fourth Proportional to 4,159.20, 6,238.66 and 1,693.95

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Solution

The fourth proportional to 4,159.20, 6,238.66 and 1,693.95 is: 2,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.20 : 6,238.66 = 1,693.95 : x
  2. Step 2: Convert to fraction form
    4,159.20/6,238.66 = 1,693.95/x
  3. Step 3: Cross multiply
    4,159.20x = 6,238.66 × 1,693.95
  4. Step 4: Simplify right side
    4,159.20x = 10,567,978.11
  5. Step 5: Solve for x
    x = 10,567,978.11/4,159.20
  6. Step 6: Final answer
    x = 2,540.87

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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.