Home / 3,642.12-5,458.61-1,559.66

Finding the Fourth Proportional to 3,642.12, 5,458.61 and 1,559.66

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Solution

The fourth proportional to 3,642.12, 5,458.61 and 1,559.66 is: 2,337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.12 : 5,458.61 = 1,559.66 : x
  2. Step 2: Convert to fraction form
    3,642.12/5,458.61 = 1,559.66/x
  3. Step 3: Cross multiply
    3,642.12x = 5,458.61 × 1,559.66
  4. Step 4: Simplify right side
    3,642.12x = 8,513,540.58
  5. Step 5: Solve for x
    x = 8,513,540.58/3,642.12
  6. Step 6: Final answer
    x = 2,337.52

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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.