Home / 2,042.46-2,818.08-1,145.97

Finding the Fourth Proportional to 2,042.46, 2,818.08 and 1,145.97

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Solution

The fourth proportional to 2,042.46, 2,818.08 and 1,145.97 is: 1,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.46 : 2,818.08 = 1,145.97 : x
  2. Step 2: Convert to fraction form
    2,042.46/2,818.08 = 1,145.97/x
  3. Step 3: Cross multiply
    2,042.46x = 2,818.08 × 1,145.97
  4. Step 4: Simplify right side
    2,042.46x = 3,229,435.14
  5. Step 5: Solve for x
    x = 3,229,435.14/2,042.46
  6. Step 6: Final answer
    x = 1,581.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.