Home / 2,680.32-3,695.04-2,017.92

Finding the Fourth Proportional to 2,680.32, 3,695.04 and 2,017.92

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Solution

The fourth proportional to 2,680.32, 3,695.04 and 2,017.92 is: 2,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.32 : 3,695.04 = 2,017.92 : x
  2. Step 2: Convert to fraction form
    2,680.32/3,695.04 = 2,017.92/x
  3. Step 3: Cross multiply
    2,680.32x = 3,695.04 × 2,017.92
  4. Step 4: Simplify right side
    2,680.32x = 7,456,295.12
  5. Step 5: Solve for x
    x = 7,456,295.12/2,680.32
  6. Step 6: Final answer
    x = 2,781.87

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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.