Home / 2,042.64-3,060.11-1,207.21

Finding the Fourth Proportional to 2,042.64, 3,060.11 and 1,207.21

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Solution

The fourth proportional to 2,042.64, 3,060.11 and 1,207.21 is: 1,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.64 : 3,060.11 = 1,207.21 : x
  2. Step 2: Convert to fraction form
    2,042.64/3,060.11 = 1,207.21/x
  3. Step 3: Cross multiply
    2,042.64x = 3,060.11 × 1,207.21
  4. Step 4: Simplify right side
    2,042.64x = 3,694,195.39
  5. Step 5: Solve for x
    x = 3,694,195.39/2,042.64
  6. Step 6: Final answer
    x = 1,808.54

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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.