Home / 3,971.76-5,951.16-2,506.20

Finding the Fourth Proportional to 3,971.76, 5,951.16 and 2,506.20

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Solution

The fourth proportional to 3,971.76, 5,951.16 and 2,506.20 is: 3,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.76 : 5,951.16 = 2,506.20 : x
  2. Step 2: Convert to fraction form
    3,971.76/5,951.16 = 2,506.20/x
  3. Step 3: Cross multiply
    3,971.76x = 5,951.16 × 2,506.20
  4. Step 4: Simplify right side
    3,971.76x = 14,914,797.19
  5. Step 5: Solve for x
    x = 14,914,797.19/3,971.76
  6. Step 6: Final answer
    x = 3,755.21

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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.