Home / 2,862.28-4,293.24-1,217.80

Finding the Fourth Proportional to 2,862.28, 4,293.24 and 1,217.80

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Solution

The fourth proportional to 2,862.28, 4,293.24 and 1,217.80 is: 1,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.28 : 4,293.24 = 1,217.80 : x
  2. Step 2: Convert to fraction form
    2,862.28/4,293.24 = 1,217.80/x
  3. Step 3: Cross multiply
    2,862.28x = 4,293.24 × 1,217.80
  4. Step 4: Simplify right side
    2,862.28x = 5,228,307.67
  5. Step 5: Solve for x
    x = 5,228,307.67/2,862.28
  6. Step 6: Final answer
    x = 1,826.62

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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.