Home / 3,520.98-5,282.04-1,329.90

Finding the Fourth Proportional to 3,520.98, 5,282.04 and 1,329.90

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Solution

The fourth proportional to 3,520.98, 5,282.04 and 1,329.90 is: 1,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.98 : 5,282.04 = 1,329.90 : x
  2. Step 2: Convert to fraction form
    3,520.98/5,282.04 = 1,329.90/x
  3. Step 3: Cross multiply
    3,520.98x = 5,282.04 × 1,329.90
  4. Step 4: Simplify right side
    3,520.98x = 7,024,585.00
  5. Step 5: Solve for x
    x = 7,024,585.00/3,520.98
  6. Step 6: Final answer
    x = 1,995.07

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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.