Home / 2,115.76-3,170.05-1,496.44

Finding the Fourth Proportional to 2,115.76, 3,170.05 and 1,496.44

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Solution

The fourth proportional to 2,115.76, 3,170.05 and 1,496.44 is: 2,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115.76 : 3,170.05 = 1,496.44 : x
  2. Step 2: Convert to fraction form
    2,115.76/3,170.05 = 1,496.44/x
  3. Step 3: Cross multiply
    2,115.76x = 3,170.05 × 1,496.44
  4. Step 4: Simplify right side
    2,115.76x = 4,743,777.96
  5. Step 5: Solve for x
    x = 4,743,777.96/2,115.76
  6. Step 6: Final answer
    x = 2,242.11

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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.