Home / 3,281.06-4,920.15-1,200.53

Finding the Fourth Proportional to 3,281.06, 4,920.15 and 1,200.53

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Solution

The fourth proportional to 3,281.06, 4,920.15 and 1,200.53 is: 1,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.06 : 4,920.15 = 1,200.53 : x
  2. Step 2: Convert to fraction form
    3,281.06/4,920.15 = 1,200.53/x
  3. Step 3: Cross multiply
    3,281.06x = 4,920.15 × 1,200.53
  4. Step 4: Simplify right side
    3,281.06x = 5,906,761.58
  5. Step 5: Solve for x
    x = 5,906,761.58/3,281.06
  6. Step 6: Final answer
    x = 1,800.26

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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.