Home / 2,680.20-3,707.10-2,369.70

Finding the Fourth Proportional to 2,680.20, 3,707.10 and 2,369.70

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Solution

The fourth proportional to 2,680.20, 3,707.10 and 2,369.70 is: 3,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.20 : 3,707.10 = 2,369.70 : x
  2. Step 2: Convert to fraction form
    2,680.20/3,707.10 = 2,369.70/x
  3. Step 3: Cross multiply
    2,680.20x = 3,707.10 × 2,369.70
  4. Step 4: Simplify right side
    2,680.20x = 8,784,714.87
  5. Step 5: Solve for x
    x = 8,784,714.87/2,680.20
  6. Step 6: Final answer
    x = 3,277.63

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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.