Home / 2,882.74-4,320.75-1,322.91

Finding the Fourth Proportional to 2,882.74, 4,320.75 and 1,322.91

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Solution

The fourth proportional to 2,882.74, 4,320.75 and 1,322.91 is: 1,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.74 : 4,320.75 = 1,322.91 : x
  2. Step 2: Convert to fraction form
    2,882.74/4,320.75 = 1,322.91/x
  3. Step 3: Cross multiply
    2,882.74x = 4,320.75 × 1,322.91
  4. Step 4: Simplify right side
    2,882.74x = 5,715,949.68
  5. Step 5: Solve for x
    x = 5,715,949.68/2,882.74
  6. Step 6: Final answer
    x = 1,982.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.