Home / 3,921.22-5,402.10-2,924.62

Finding the Fourth Proportional to 3,921.22, 5,402.10 and 2,924.62

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Solution

The fourth proportional to 3,921.22, 5,402.10 and 2,924.62 is: 4,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.22 : 5,402.10 = 2,924.62 : x
  2. Step 2: Convert to fraction form
    3,921.22/5,402.10 = 2,924.62/x
  3. Step 3: Cross multiply
    3,921.22x = 5,402.10 × 2,924.62
  4. Step 4: Simplify right side
    3,921.22x = 15,799,089.70
  5. Step 5: Solve for x
    x = 15,799,089.70/3,921.22
  6. Step 6: Final answer
    x = 4,029.13

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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.