Home / 1,694.40-2,542.08-1,001.68

Finding the Fourth Proportional to 1,694.40, 2,542.08 and 1,001.68

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Solution

The fourth proportional to 1,694.40, 2,542.08 and 1,001.68 is: 1,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.40 : 2,542.08 = 1,001.68 : x
  2. Step 2: Convert to fraction form
    1,694.40/2,542.08 = 1,001.68/x
  3. Step 3: Cross multiply
    1,694.40x = 2,542.08 × 1,001.68
  4. Step 4: Simplify right side
    1,694.40x = 2,546,350.69
  5. Step 5: Solve for x
    x = 2,546,350.69/1,694.40
  6. Step 6: Final answer
    x = 1,502.80

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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.