Home / 1,118.22-1,677.51-532.95

Finding the Fourth Proportional to 1,118.22, 1,677.51 and 532.95

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Solution

The fourth proportional to 1,118.22, 1,677.51 and 532.95 is: 799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.22 : 1,677.51 = 532.95 : x
  2. Step 2: Convert to fraction form
    1,118.22/1,677.51 = 532.95/x
  3. Step 3: Cross multiply
    1,118.22x = 1,677.51 × 532.95
  4. Step 4: Simplify right side
    1,118.22x = 894,028.95
  5. Step 5: Solve for x
    x = 894,028.95/1,118.22
  6. Step 6: Final answer
    x = 799.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.