Home / 3,389.60-5,079.36-2,003.24

Finding the Fourth Proportional to 3,389.60, 5,079.36 and 2,003.24

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Solution

The fourth proportional to 3,389.60, 5,079.36 and 2,003.24 is: 3,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.60 : 5,079.36 = 2,003.24 : x
  2. Step 2: Convert to fraction form
    3,389.60/5,079.36 = 2,003.24/x
  3. Step 3: Cross multiply
    3,389.60x = 5,079.36 × 2,003.24
  4. Step 4: Simplify right side
    3,389.60x = 10,175,177.13
  5. Step 5: Solve for x
    x = 10,175,177.13/3,389.60
  6. Step 6: Final answer
    x = 3,001.88

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1.5x scale

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.