Home / 2,882.88-4,325.40-1,239.12

Finding the Fourth Proportional to 2,882.88, 4,325.40 and 1,239.12

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Solution

The fourth proportional to 2,882.88, 4,325.40 and 1,239.12 is: 1,859.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.88 : 4,325.40 = 1,239.12 : x
  2. Step 2: Convert to fraction form
    2,882.88/4,325.40 = 1,239.12/x
  3. Step 3: Cross multiply
    2,882.88x = 4,325.40 × 1,239.12
  4. Step 4: Simplify right side
    2,882.88x = 5,359,689.65
  5. Step 5: Solve for x
    x = 5,359,689.65/2,882.88
  6. Step 6: Final answer
    x = 1,859.14

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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.