Home / 1,151.81-1,589.30-1,093.43

Finding the Fourth Proportional to 1,151.81, 1,589.30 and 1,093.43

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Solution

The fourth proportional to 1,151.81, 1,589.30 and 1,093.43 is: 1,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.81 : 1,589.30 = 1,093.43 : x
  2. Step 2: Convert to fraction form
    1,151.81/1,589.30 = 1,093.43/x
  3. Step 3: Cross multiply
    1,151.81x = 1,589.30 × 1,093.43
  4. Step 4: Simplify right side
    1,151.81x = 1,737,788.30
  5. Step 5: Solve for x
    x = 1,737,788.30/1,151.81
  6. Step 6: Final answer
    x = 1,508.75

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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.