Home / 3,659.80-5,475.98-2,173.58

Finding the Fourth Proportional to 3,659.80, 5,475.98 and 2,173.58

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Solution

The fourth proportional to 3,659.80, 5,475.98 and 2,173.58 is: 3,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.80 : 5,475.98 = 2,173.58 : x
  2. Step 2: Convert to fraction form
    3,659.80/5,475.98 = 2,173.58/x
  3. Step 3: Cross multiply
    3,659.80x = 5,475.98 × 2,173.58
  4. Step 4: Simplify right side
    3,659.80x = 11,902,480.61
  5. Step 5: Solve for x
    x = 11,902,480.61/3,659.80
  6. Step 6: Final answer
    x = 3,252.22

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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.