Home / 2,042.20-3,063.66-655.12

Finding the Fourth Proportional to 2,042.20, 3,063.66 and 655.12

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Solution

The fourth proportional to 2,042.20, 3,063.66 and 655.12 is: 982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.20 : 3,063.66 = 655.12 : x
  2. Step 2: Convert to fraction form
    2,042.20/3,063.66 = 655.12/x
  3. Step 3: Cross multiply
    2,042.20x = 3,063.66 × 655.12
  4. Step 4: Simplify right side
    2,042.20x = 2,007,064.94
  5. Step 5: Solve for x
    x = 2,007,064.94/2,042.20
  6. Step 6: Final answer
    x = 982.80

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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.