Home / 3,325.73-4,989.32-1,377.95

Finding the Fourth Proportional to 3,325.73, 4,989.32 and 1,377.95

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Solution

The fourth proportional to 3,325.73, 4,989.32 and 1,377.95 is: 2,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.73 : 4,989.32 = 1,377.95 : x
  2. Step 2: Convert to fraction form
    3,325.73/4,989.32 = 1,377.95/x
  3. Step 3: Cross multiply
    3,325.73x = 4,989.32 × 1,377.95
  4. Step 4: Simplify right side
    3,325.73x = 6,875,001.66
  5. Step 5: Solve for x
    x = 6,875,001.66/3,325.73
  6. Step 6: Final answer
    x = 2,067.22

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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.