Home / 2,042.90-3,064.33-581.86

Finding the Fourth Proportional to 2,042.90, 3,064.33 and 581.86

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Solution

The fourth proportional to 2,042.90, 3,064.33 and 581.86 is: 872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.90 : 3,064.33 = 581.86 : x
  2. Step 2: Convert to fraction form
    2,042.90/3,064.33 = 581.86/x
  3. Step 3: Cross multiply
    2,042.90x = 3,064.33 × 581.86
  4. Step 4: Simplify right side
    2,042.90x = 1,783,011.05
  5. Step 5: Solve for x
    x = 1,783,011.05/2,042.90
  6. Step 6: Final answer
    x = 872.78

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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.