Home / 3,170.29-4,755.03-1,321.06

Finding the Fourth Proportional to 3,170.29, 4,755.03 and 1,321.06

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Solution

The fourth proportional to 3,170.29, 4,755.03 and 1,321.06 is: 1,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.29 : 4,755.03 = 1,321.06 : x
  2. Step 2: Convert to fraction form
    3,170.29/4,755.03 = 1,321.06/x
  3. Step 3: Cross multiply
    3,170.29x = 4,755.03 × 1,321.06
  4. Step 4: Simplify right side
    3,170.29x = 6,281,679.93
  5. Step 5: Solve for x
    x = 6,281,679.93/3,170.29
  6. Step 6: Final answer
    x = 1,981.42

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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.