Home / 3,755.48-5,182.23-2,161.70

Finding the Fourth Proportional to 3,755.48, 5,182.23 and 2,161.70

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Solution

The fourth proportional to 3,755.48, 5,182.23 and 2,161.70 is: 2,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.48 : 5,182.23 = 2,161.70 : x
  2. Step 2: Convert to fraction form
    3,755.48/5,182.23 = 2,161.70/x
  3. Step 3: Cross multiply
    3,755.48x = 5,182.23 × 2,161.70
  4. Step 4: Simplify right side
    3,755.48x = 11,202,445.21
  5. Step 5: Solve for x
    x = 11,202,445.21/3,755.48
  6. Step 6: Final answer
    x = 2,982.96

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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.