Home / 1,693.56-2,542.39-1,517.23

Finding the Fourth Proportional to 1,693.56, 2,542.39 and 1,517.23

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Solution

The fourth proportional to 1,693.56, 2,542.39 and 1,517.23 is: 2,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.56 : 2,542.39 = 1,517.23 : x
  2. Step 2: Convert to fraction form
    1,693.56/2,542.39 = 1,517.23/x
  3. Step 3: Cross multiply
    1,693.56x = 2,542.39 × 1,517.23
  4. Step 4: Simplify right side
    1,693.56x = 3,857,389.76
  5. Step 5: Solve for x
    x = 3,857,389.76/1,693.56
  6. Step 6: Final answer
    x = 2,277.68

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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.