Home / 3,754.15-5,180.76-2,161.13

Finding the Fourth Proportional to 3,754.15, 5,180.76 and 2,161.13

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Solution

The fourth proportional to 3,754.15, 5,180.76 and 2,161.13 is: 2,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.15 : 5,180.76 = 2,161.13 : x
  2. Step 2: Convert to fraction form
    3,754.15/5,180.76 = 2,161.13/x
  3. Step 3: Cross multiply
    3,754.15x = 5,180.76 × 2,161.13
  4. Step 4: Simplify right side
    3,754.15x = 11,196,299.10
  5. Step 5: Solve for x
    x = 11,196,299.10/3,754.15
  6. Step 6: Final answer
    x = 2,982.38

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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.