Home / 3,763.82-5,641.17-3,320.95

Finding the Fourth Proportional to 3,763.82, 5,641.17 and 3,320.95

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Solution

The fourth proportional to 3,763.82, 5,641.17 and 3,320.95 is: 4,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.82 : 5,641.17 = 3,320.95 : x
  2. Step 2: Convert to fraction form
    3,763.82/5,641.17 = 3,320.95/x
  3. Step 3: Cross multiply
    3,763.82x = 5,641.17 × 3,320.95
  4. Step 4: Simplify right side
    3,763.82x = 18,734,043.51
  5. Step 5: Solve for x
    x = 18,734,043.51/3,763.82
  6. Step 6: Final answer
    x = 4,977.40

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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.