Home / 3,723.54-5,138.54-2,045.12

Finding the Fourth Proportional to 3,723.54, 5,138.54 and 2,045.12

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Solution

The fourth proportional to 3,723.54, 5,138.54 and 2,045.12 is: 2,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.54 : 5,138.54 = 2,045.12 : x
  2. Step 2: Convert to fraction form
    3,723.54/5,138.54 = 2,045.12/x
  3. Step 3: Cross multiply
    3,723.54x = 5,138.54 × 2,045.12
  4. Step 4: Simplify right side
    3,723.54x = 10,508,902.68
  5. Step 5: Solve for x
    x = 10,508,902.68/3,723.54
  6. Step 6: Final answer
    x = 2,822.29

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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.