Home / 3,887.82-5,366.06-2,471.23

Finding the Fourth Proportional to 3,887.82, 5,366.06 and 2,471.23

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Solution

The fourth proportional to 3,887.82, 5,366.06 and 2,471.23 is: 3,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.82 : 5,366.06 = 2,471.23 : x
  2. Step 2: Convert to fraction form
    3,887.82/5,366.06 = 2,471.23/x
  3. Step 3: Cross multiply
    3,887.82x = 5,366.06 × 2,471.23
  4. Step 4: Simplify right side
    3,887.82x = 13,260,781.87
  5. Step 5: Solve for x
    x = 13,260,781.87/3,887.82
  6. Step 6: Final answer
    x = 3,410.85

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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.