Home / 1,508.61-2,081.97-845.43

Finding the Fourth Proportional to 1,508.61, 2,081.97 and 845.43

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Solution

The fourth proportional to 1,508.61, 2,081.97 and 845.43 is: 1,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.61 : 2,081.97 = 845.43 : x
  2. Step 2: Convert to fraction form
    1,508.61/2,081.97 = 845.43/x
  3. Step 3: Cross multiply
    1,508.61x = 2,081.97 × 845.43
  4. Step 4: Simplify right side
    1,508.61x = 1,760,159.90
  5. Step 5: Solve for x
    x = 1,760,159.90/1,508.61
  6. Step 6: Final answer
    x = 1,166.74

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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.