Home / 3,170.10-4,755.69-949.08

Finding the Fourth Proportional to 3,170.10, 4,755.69 and 949.08

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Solution

The fourth proportional to 3,170.10, 4,755.69 and 949.08 is: 1,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.10 : 4,755.69 = 949.08 : x
  2. Step 2: Convert to fraction form
    3,170.10/4,755.69 = 949.08/x
  3. Step 3: Cross multiply
    3,170.10x = 4,755.69 × 949.08
  4. Step 4: Simplify right side
    3,170.10x = 4,513,530.27
  5. Step 5: Solve for x
    x = 4,513,530.27/3,170.10
  6. Step 6: Final answer
    x = 1,423.78

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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.