Home / 3,521.57-5,280.12-2,202.08

Finding the Fourth Proportional to 3,521.57, 5,280.12 and 2,202.08

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Solution

The fourth proportional to 3,521.57, 5,280.12 and 2,202.08 is: 3,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.57 : 5,280.12 = 2,202.08 : x
  2. Step 2: Convert to fraction form
    3,521.57/5,280.12 = 2,202.08/x
  3. Step 3: Cross multiply
    3,521.57x = 5,280.12 × 2,202.08
  4. Step 4: Simplify right side
    3,521.57x = 11,627,220.25
  5. Step 5: Solve for x
    x = 11,627,220.25/3,521.57
  6. Step 6: Final answer
    x = 3,301.72

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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.