Home / 4,000.68-5,520.96-2,428.44

Finding the Fourth Proportional to 4,000.68, 5,520.96 and 2,428.44

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Solution

The fourth proportional to 4,000.68, 5,520.96 and 2,428.44 is: 3,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.68 : 5,520.96 = 2,428.44 : x
  2. Step 2: Convert to fraction form
    4,000.68/5,520.96 = 2,428.44/x
  3. Step 3: Cross multiply
    4,000.68x = 5,520.96 × 2,428.44
  4. Step 4: Simplify right side
    4,000.68x = 13,407,320.10
  5. Step 5: Solve for x
    x = 13,407,320.10/4,000.68
  6. Step 6: Final answer
    x = 3,351.26

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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.