Home / 3,170.12-4,375.14-1,772.60

Finding the Fourth Proportional to 3,170.12, 4,375.14 and 1,772.60

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Solution

The fourth proportional to 3,170.12, 4,375.14 and 1,772.60 is: 2,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.12 : 4,375.14 = 1,772.60 : x
  2. Step 2: Convert to fraction form
    3,170.12/4,375.14 = 1,772.60/x
  3. Step 3: Cross multiply
    3,170.12x = 4,375.14 × 1,772.60
  4. Step 4: Simplify right side
    3,170.12x = 7,755,373.16
  5. Step 5: Solve for x
    x = 7,755,373.16/3,170.12
  6. Step 6: Final answer
    x = 2,446.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.