Home / 2,042.80-2,819.14-1,158.68

Finding the Fourth Proportional to 2,042.80, 2,819.14 and 1,158.68

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Solution

The fourth proportional to 2,042.80, 2,819.14 and 1,158.68 is: 1,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.80 : 2,819.14 = 1,158.68 : x
  2. Step 2: Convert to fraction form
    2,042.80/2,819.14 = 1,158.68/x
  3. Step 3: Cross multiply
    2,042.80x = 2,819.14 × 1,158.68
  4. Step 4: Simplify right side
    2,042.80x = 3,266,481.14
  5. Step 5: Solve for x
    x = 3,266,481.14/2,042.80
  6. Step 6: Final answer
    x = 1,599.02

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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.