Home / 2,042.45-3,063.61-1,215.18

Finding the Fourth Proportional to 2,042.45, 3,063.61 and 1,215.18

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Solution

The fourth proportional to 2,042.45, 3,063.61 and 1,215.18 is: 1,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.45 : 3,063.61 = 1,215.18 : x
  2. Step 2: Convert to fraction form
    2,042.45/3,063.61 = 1,215.18/x
  3. Step 3: Cross multiply
    2,042.45x = 3,063.61 × 1,215.18
  4. Step 4: Simplify right side
    2,042.45x = 3,722,850.61
  5. Step 5: Solve for x
    x = 3,722,850.61/2,042.45
  6. Step 6: Final answer
    x = 1,822.74

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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.