Home / 3,428.11-5,144.29-1,579.49

Finding the Fourth Proportional to 3,428.11, 5,144.29 and 1,579.49

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Solution

The fourth proportional to 3,428.11, 5,144.29 and 1,579.49 is: 2,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.11 : 5,144.29 = 1,579.49 : x
  2. Step 2: Convert to fraction form
    3,428.11/5,144.29 = 1,579.49/x
  3. Step 3: Cross multiply
    3,428.11x = 5,144.29 × 1,579.49
  4. Step 4: Simplify right side
    3,428.11x = 8,125,354.61
  5. Step 5: Solve for x
    x = 8,125,354.61/3,428.11
  6. Step 6: Final answer
    x = 2,370.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.