Home / 2,042.22-3,063.70-655.90

Finding the Fourth Proportional to 2,042.22, 3,063.70 and 655.90

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Solution

The fourth proportional to 2,042.22, 3,063.70 and 655.90 is: 983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.22 : 3,063.70 = 655.90 : x
  2. Step 2: Convert to fraction form
    2,042.22/3,063.70 = 655.90/x
  3. Step 3: Cross multiply
    2,042.22x = 3,063.70 × 655.90
  4. Step 4: Simplify right side
    2,042.22x = 2,009,480.83
  5. Step 5: Solve for x
    x = 2,009,480.83/2,042.22
  6. Step 6: Final answer
    x = 983.97

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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.