Home / 2,811.18-4,217.73-1,252.26

Finding the Fourth Proportional to 2,811.18, 4,217.73 and 1,252.26

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Solution

The fourth proportional to 2,811.18, 4,217.73 and 1,252.26 is: 1,878.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.18 : 4,217.73 = 1,252.26 : x
  2. Step 2: Convert to fraction form
    2,811.18/4,217.73 = 1,252.26/x
  3. Step 3: Cross multiply
    2,811.18x = 4,217.73 × 1,252.26
  4. Step 4: Simplify right side
    2,811.18x = 5,281,694.57
  5. Step 5: Solve for x
    x = 5,281,694.57/2,811.18
  6. Step 6: Final answer
    x = 1,878.82

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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.