Home / 2,882.40-4,324.20-1,239.36

Finding the Fourth Proportional to 2,882.40, 4,324.20 and 1,239.36

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Solution

The fourth proportional to 2,882.40, 4,324.20 and 1,239.36 is: 1,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.40 : 4,324.20 = 1,239.36 : x
  2. Step 2: Convert to fraction form
    2,882.40/4,324.20 = 1,239.36/x
  3. Step 3: Cross multiply
    2,882.40x = 4,324.20 × 1,239.36
  4. Step 4: Simplify right side
    2,882.40x = 5,359,240.51
  5. Step 5: Solve for x
    x = 5,359,240.51/2,882.40
  6. Step 6: Final answer
    x = 1,859.30

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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.