Home / 3,521.43-5,280.92-1,671.29

Finding the Fourth Proportional to 3,521.43, 5,280.92 and 1,671.29

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Solution

The fourth proportional to 3,521.43, 5,280.92 and 1,671.29 is: 2,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.43 : 5,280.92 = 1,671.29 : x
  2. Step 2: Convert to fraction form
    3,521.43/5,280.92 = 1,671.29/x
  3. Step 3: Cross multiply
    3,521.43x = 5,280.92 × 1,671.29
  4. Step 4: Simplify right side
    3,521.43x = 8,825,922.38
  5. Step 5: Solve for x
    x = 8,825,922.38/3,521.43
  6. Step 6: Final answer
    x = 2,506.35

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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.