Home / 4,019.20-5,545.92-2,622.40

Finding the Fourth Proportional to 4,019.20, 5,545.92 and 2,622.40

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Solution

The fourth proportional to 4,019.20, 5,545.92 and 2,622.40 is: 3,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.20 : 5,545.92 = 2,622.40 : x
  2. Step 2: Convert to fraction form
    4,019.20/5,545.92 = 2,622.40/x
  3. Step 3: Cross multiply
    4,019.20x = 5,545.92 × 2,622.40
  4. Step 4: Simplify right side
    4,019.20x = 14,543,620.61
  5. Step 5: Solve for x
    x = 14,543,620.61/4,019.20
  6. Step 6: Final answer
    x = 3,618.54

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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.