Home / 2,170.06-3,247.80-1,348.90

Finding the Fourth Proportional to 2,170.06, 3,247.80 and 1,348.90

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Solution

The fourth proportional to 2,170.06, 3,247.80 and 1,348.90 is: 2,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.06 : 3,247.80 = 1,348.90 : x
  2. Step 2: Convert to fraction form
    2,170.06/3,247.80 = 1,348.90/x
  3. Step 3: Cross multiply
    2,170.06x = 3,247.80 × 1,348.90
  4. Step 4: Simplify right side
    2,170.06x = 4,380,957.42
  5. Step 5: Solve for x
    x = 4,380,957.42/2,170.06
  6. Step 6: Final answer
    x = 2,018.82

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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.