Home / 3,538.50-5,298.78-2,132.07

Finding the Fourth Proportional to 3,538.50, 5,298.78 and 2,132.07

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Solution

The fourth proportional to 3,538.50, 5,298.78 and 2,132.07 is: 3,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.50 : 5,298.78 = 2,132.07 : x
  2. Step 2: Convert to fraction form
    3,538.50/5,298.78 = 2,132.07/x
  3. Step 3: Cross multiply
    3,538.50x = 5,298.78 × 2,132.07
  4. Step 4: Simplify right side
    3,538.50x = 11,297,369.87
  5. Step 5: Solve for x
    x = 11,297,369.87/3,538.50
  6. Step 6: Final answer
    x = 3,192.70

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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.