Home / 1,108.59-1,528.97-1,034.07

Finding the Fourth Proportional to 1,108.59, 1,528.97 and 1,034.07

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Solution

The fourth proportional to 1,108.59, 1,528.97 and 1,034.07 is: 1,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108.59 : 1,528.97 = 1,034.07 : x
  2. Step 2: Convert to fraction form
    1,108.59/1,528.97 = 1,034.07/x
  3. Step 3: Cross multiply
    1,108.59x = 1,528.97 × 1,034.07
  4. Step 4: Simplify right side
    1,108.59x = 1,581,062.01
  5. Step 5: Solve for x
    x = 1,581,062.01/1,108.59
  6. Step 6: Final answer
    x = 1,426.19

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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.