Home / 3,490.25-5,237.98-2,175.92

Finding the Fourth Proportional to 3,490.25, 5,237.98 and 2,175.92

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Solution

The fourth proportional to 3,490.25, 5,237.98 and 2,175.92 is: 3,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.25 : 5,237.98 = 2,175.92 : x
  2. Step 2: Convert to fraction form
    3,490.25/5,237.98 = 2,175.92/x
  3. Step 3: Cross multiply
    3,490.25x = 5,237.98 × 2,175.92
  4. Step 4: Simplify right side
    3,490.25x = 11,397,425.44
  5. Step 5: Solve for x
    x = 11,397,425.44/3,490.25
  6. Step 6: Final answer
    x = 3,265.50

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1.5x scale

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.