Home / 1,508.11-2,081.21-844.95

Finding the Fourth Proportional to 1,508.11, 2,081.21 and 844.95

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Solution

The fourth proportional to 1,508.11, 2,081.21 and 844.95 is: 1,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.11 : 2,081.21 = 844.95 : x
  2. Step 2: Convert to fraction form
    1,508.11/2,081.21 = 844.95/x
  3. Step 3: Cross multiply
    1,508.11x = 2,081.21 × 844.95
  4. Step 4: Simplify right side
    1,508.11x = 1,758,518.39
  5. Step 5: Solve for x
    x = 1,758,518.39/1,508.11
  6. Step 6: Final answer
    x = 1,166.04

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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.