Home / 2,680.04-4,020.42-2,518.04

Finding the Fourth Proportional to 2,680.04, 4,020.42 and 2,518.04

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Solution

The fourth proportional to 2,680.04, 4,020.42 and 2,518.04 is: 3,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.04 : 4,020.42 = 2,518.04 : x
  2. Step 2: Convert to fraction form
    2,680.04/4,020.42 = 2,518.04/x
  3. Step 3: Cross multiply
    2,680.04x = 4,020.42 × 2,518.04
  4. Step 4: Simplify right side
    2,680.04x = 10,123,578.38
  5. Step 5: Solve for x
    x = 10,123,578.38/2,680.04
  6. Step 6: Final answer
    x = 3,777.40

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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.