Home / 2,680.32-4,038.78-2,204.04

Finding the Fourth Proportional to 2,680.32, 4,038.78 and 2,204.04

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Solution

The fourth proportional to 2,680.32, 4,038.78 and 2,204.04 is: 3,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.32 : 4,038.78 = 2,204.04 : x
  2. Step 2: Convert to fraction form
    2,680.32/4,038.78 = 2,204.04/x
  3. Step 3: Cross multiply
    2,680.32x = 4,038.78 × 2,204.04
  4. Step 4: Simplify right side
    2,680.32x = 8,901,632.67
  5. Step 5: Solve for x
    x = 8,901,632.67/2,680.32
  6. Step 6: Final answer
    x = 3,321.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.