Home / 2,813.22-4,217.55-1,171.00

Finding the Fourth Proportional to 2,813.22, 4,217.55 and 1,171.00

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Solution

The fourth proportional to 2,813.22, 4,217.55 and 1,171.00 is: 1,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.22 : 4,217.55 = 1,171.00 : x
  2. Step 2: Convert to fraction form
    2,813.22/4,217.55 = 1,171.00/x
  3. Step 3: Cross multiply
    2,813.22x = 4,217.55 × 1,171.00
  4. Step 4: Simplify right side
    2,813.22x = 4,938,746.66
  5. Step 5: Solve for x
    x = 4,938,746.66/2,813.22
  6. Step 6: Final answer
    x = 1,755.55

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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.