Home / 2,661.20-3,976.28-2,340.44

Finding the Fourth Proportional to 2,661.20, 3,976.28 and 2,340.44

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Solution

The fourth proportional to 2,661.20, 3,976.28 and 2,340.44 is: 3,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.20 : 3,976.28 = 2,340.44 : x
  2. Step 2: Convert to fraction form
    2,661.20/3,976.28 = 2,340.44/x
  3. Step 3: Cross multiply
    2,661.20x = 3,976.28 × 2,340.44
  4. Step 4: Simplify right side
    2,661.20x = 9,306,244.76
  5. Step 5: Solve for x
    x = 9,306,244.76/2,661.20
  6. Step 6: Final answer
    x = 3,497.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.