Home / 2,210.62-3,049.78-1,425.13

Finding the Fourth Proportional to 2,210.62, 3,049.78 and 1,425.13

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Solution

The fourth proportional to 2,210.62, 3,049.78 and 1,425.13 is: 1,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.62 : 3,049.78 = 1,425.13 : x
  2. Step 2: Convert to fraction form
    2,210.62/3,049.78 = 1,425.13/x
  3. Step 3: Cross multiply
    2,210.62x = 3,049.78 × 1,425.13
  4. Step 4: Simplify right side
    2,210.62x = 4,346,332.97
  5. Step 5: Solve for x
    x = 4,346,332.97/2,210.62
  6. Step 6: Final answer
    x = 1,966.11

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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.