Home / 3,892.29-5,377.21-2,551.08

Finding the Fourth Proportional to 3,892.29, 5,377.21 and 2,551.08

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Solution

The fourth proportional to 3,892.29, 5,377.21 and 2,551.08 is: 3,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.29 : 5,377.21 = 2,551.08 : x
  2. Step 2: Convert to fraction form
    3,892.29/5,377.21 = 2,551.08/x
  3. Step 3: Cross multiply
    3,892.29x = 5,377.21 × 2,551.08
  4. Step 4: Simplify right side
    3,892.29x = 13,717,676.43
  5. Step 5: Solve for x
    x = 13,717,676.43/3,892.29
  6. Step 6: Final answer
    x = 3,524.32

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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.