Home / 3,921.48-5,410.68-2,242.38

Finding the Fourth Proportional to 3,921.48, 5,410.68 and 2,242.38

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Solution

The fourth proportional to 3,921.48, 5,410.68 and 2,242.38 is: 3,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.48 : 5,410.68 = 2,242.38 : x
  2. Step 2: Convert to fraction form
    3,921.48/5,410.68 = 2,242.38/x
  3. Step 3: Cross multiply
    3,921.48x = 5,410.68 × 2,242.38
  4. Step 4: Simplify right side
    3,921.48x = 12,132,800.62
  5. Step 5: Solve for x
    x = 12,132,800.62/3,921.48
  6. Step 6: Final answer
    x = 3,093.93

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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.