Home / 4,017.20-6,024.90-2,640.20

Finding the Fourth Proportional to 4,017.20, 6,024.90 and 2,640.20

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Solution

The fourth proportional to 4,017.20, 6,024.90 and 2,640.20 is: 3,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017.20 : 6,024.90 = 2,640.20 : x
  2. Step 2: Convert to fraction form
    4,017.20/6,024.90 = 2,640.20/x
  3. Step 3: Cross multiply
    4,017.20x = 6,024.90 × 2,640.20
  4. Step 4: Simplify right side
    4,017.20x = 15,906,940.98
  5. Step 5: Solve for x
    x = 15,906,940.98/4,017.20
  6. Step 6: Final answer
    x = 3,959.71

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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.