Home / 3,329.46-4,990.95-1,865.43

Finding the Fourth Proportional to 3,329.46, 4,990.95 and 1,865.43

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Solution

The fourth proportional to 3,329.46, 4,990.95 and 1,865.43 is: 2,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.46 : 4,990.95 = 1,865.43 : x
  2. Step 2: Convert to fraction form
    3,329.46/4,990.95 = 1,865.43/x
  3. Step 3: Cross multiply
    3,329.46x = 4,990.95 × 1,865.43
  4. Step 4: Simplify right side
    3,329.46x = 9,310,267.86
  5. Step 5: Solve for x
    x = 9,310,267.86/3,329.46
  6. Step 6: Final answer
    x = 2,796.33

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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.