Home / 1,769.97-2,442.65-1,023.79

Finding the Fourth Proportional to 1,769.97, 2,442.65 and 1,023.79

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Solution

The fourth proportional to 1,769.97, 2,442.65 and 1,023.79 is: 1,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.97 : 2,442.65 = 1,023.79 : x
  2. Step 2: Convert to fraction form
    1,769.97/2,442.65 = 1,023.79/x
  3. Step 3: Cross multiply
    1,769.97x = 2,442.65 × 1,023.79
  4. Step 4: Simplify right side
    1,769.97x = 2,500,757.42
  5. Step 5: Solve for x
    x = 2,500,757.42/1,769.97
  6. Step 6: Final answer
    x = 1,412.88

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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.