Home / 3,645.18-5,470.19-2,002.88

Finding the Fourth Proportional to 3,645.18, 5,470.19 and 2,002.88

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Solution

The fourth proportional to 3,645.18, 5,470.19 and 2,002.88 is: 3,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.18 : 5,470.19 = 2,002.88 : x
  2. Step 2: Convert to fraction form
    3,645.18/5,470.19 = 2,002.88/x
  3. Step 3: Cross multiply
    3,645.18x = 5,470.19 × 2,002.88
  4. Step 4: Simplify right side
    3,645.18x = 10,956,104.29
  5. Step 5: Solve for x
    x = 10,956,104.29/3,645.18
  6. Step 6: Final answer
    x = 3,005.64

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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.