Home / 3,154.80-4,722.48-2,001.36

Finding the Fourth Proportional to 3,154.80, 4,722.48 and 2,001.36

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Solution

The fourth proportional to 3,154.80, 4,722.48 and 2,001.36 is: 2,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.80 : 4,722.48 = 2,001.36 : x
  2. Step 2: Convert to fraction form
    3,154.80/4,722.48 = 2,001.36/x
  3. Step 3: Cross multiply
    3,154.80x = 4,722.48 × 2,001.36
  4. Step 4: Simplify right side
    3,154.80x = 9,451,382.57
  5. Step 5: Solve for x
    x = 9,451,382.57/3,154.80
  6. Step 6: Final answer
    x = 2,995.87

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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.