Home / 1,713.97-2,365.29-928.03

Finding the Fourth Proportional to 1,713.97, 2,365.29 and 928.03

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Solution

The fourth proportional to 1,713.97, 2,365.29 and 928.03 is: 1,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.97 : 2,365.29 = 928.03 : x
  2. Step 2: Convert to fraction form
    1,713.97/2,365.29 = 928.03/x
  3. Step 3: Cross multiply
    1,713.97x = 2,365.29 × 928.03
  4. Step 4: Simplify right side
    1,713.97x = 2,195,060.08
  5. Step 5: Solve for x
    x = 2,195,060.08/1,713.97
  6. Step 6: Final answer
    x = 1,280.69

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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.