Home / 2,882.44-4,320.42-1,239.76

Finding the Fourth Proportional to 2,882.44, 4,320.42 and 1,239.76

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Solution

The fourth proportional to 2,882.44, 4,320.42 and 1,239.76 is: 1,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.44 : 4,320.42 = 1,239.76 : x
  2. Step 2: Convert to fraction form
    2,882.44/4,320.42 = 1,239.76/x
  3. Step 3: Cross multiply
    2,882.44x = 4,320.42 × 1,239.76
  4. Step 4: Simplify right side
    2,882.44x = 5,356,283.90
  5. Step 5: Solve for x
    x = 5,356,283.90/2,882.44
  6. Step 6: Final answer
    x = 1,858.25

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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.