Home / 2,863.60-4,295.41-1,221.53

Finding the Fourth Proportional to 2,863.60, 4,295.41 and 1,221.53

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Solution

The fourth proportional to 2,863.60, 4,295.41 and 1,221.53 is: 1,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.60 : 4,295.41 = 1,221.53 : x
  2. Step 2: Convert to fraction form
    2,863.60/4,295.41 = 1,221.53/x
  3. Step 3: Cross multiply
    2,863.60x = 4,295.41 × 1,221.53
  4. Step 4: Simplify right side
    2,863.60x = 5,246,947.65
  5. Step 5: Solve for x
    x = 5,246,947.65/2,863.60
  6. Step 6: Final answer
    x = 1,832.29

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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.