Home / 3,332.20-4,599.03-1,987.89

Finding the Fourth Proportional to 3,332.20, 4,599.03 and 1,987.89

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Solution

The fourth proportional to 3,332.20, 4,599.03 and 1,987.89 is: 2,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.20 : 4,599.03 = 1,987.89 : x
  2. Step 2: Convert to fraction form
    3,332.20/4,599.03 = 1,987.89/x
  3. Step 3: Cross multiply
    3,332.20x = 4,599.03 × 1,987.89
  4. Step 4: Simplify right side
    3,332.20x = 9,142,365.75
  5. Step 5: Solve for x
    x = 9,142,365.75/3,332.20
  6. Step 6: Final answer
    x = 2,743.65

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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.