Home / 2,250.40-3,375.60-2,048.80

Finding the Fourth Proportional to 2,250.40, 3,375.60 and 2,048.80

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Solution

The fourth proportional to 2,250.40, 3,375.60 and 2,048.80 is: 3,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.40 : 3,375.60 = 2,048.80 : x
  2. Step 2: Convert to fraction form
    2,250.40/3,375.60 = 2,048.80/x
  3. Step 3: Cross multiply
    2,250.40x = 3,375.60 × 2,048.80
  4. Step 4: Simplify right side
    2,250.40x = 6,915,929.28
  5. Step 5: Solve for x
    x = 6,915,929.28/2,250.40
  6. Step 6: Final answer
    x = 3,073.20

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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.