Home / 3,521.17-5,282.47-1,329.92

Finding the Fourth Proportional to 3,521.17, 5,282.47 and 1,329.92

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Solution

The fourth proportional to 3,521.17, 5,282.47 and 1,329.92 is: 1,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.17 : 5,282.47 = 1,329.92 : x
  2. Step 2: Convert to fraction form
    3,521.17/5,282.47 = 1,329.92/x
  3. Step 3: Cross multiply
    3,521.17x = 5,282.47 × 1,329.92
  4. Step 4: Simplify right side
    3,521.17x = 7,025,250.08
  5. Step 5: Solve for x
    x = 7,025,250.08/3,521.17
  6. Step 6: Final answer
    x = 1,995.15

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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.