Home / 2,375.80-3,581.48-2,217.24

Finding the Fourth Proportional to 2,375.80, 3,581.48 and 2,217.24

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Solution

The fourth proportional to 2,375.80, 3,581.48 and 2,217.24 is: 3,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.80 : 3,581.48 = 2,217.24 : x
  2. Step 2: Convert to fraction form
    2,375.80/3,581.48 = 2,217.24/x
  3. Step 3: Cross multiply
    2,375.80x = 3,581.48 × 2,217.24
  4. Step 4: Simplify right side
    2,375.80x = 7,941,000.72
  5. Step 5: Solve for x
    x = 7,941,000.72/2,375.80
  6. Step 6: Final answer
    x = 3,342.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.