Home / 2,275.62-3,384.18-2,202.72

Finding the Fourth Proportional to 2,275.62, 3,384.18 and 2,202.72

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Solution

The fourth proportional to 2,275.62, 3,384.18 and 2,202.72 is: 3,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.62 : 3,384.18 = 2,202.72 : x
  2. Step 2: Convert to fraction form
    2,275.62/3,384.18 = 2,202.72/x
  3. Step 3: Cross multiply
    2,275.62x = 3,384.18 × 2,202.72
  4. Step 4: Simplify right side
    2,275.62x = 7,454,400.97
  5. Step 5: Solve for x
    x = 7,454,400.97/2,275.62
  6. Step 6: Final answer
    x = 3,275.77

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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.