Home / 2,517.26-3,775.95-1,218.42

Finding the Fourth Proportional to 2,517.26, 3,775.95 and 1,218.42

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Solution

The fourth proportional to 2,517.26, 3,775.95 and 1,218.42 is: 1,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.26 : 3,775.95 = 1,218.42 : x
  2. Step 2: Convert to fraction form
    2,517.26/3,775.95 = 1,218.42/x
  3. Step 3: Cross multiply
    2,517.26x = 3,775.95 × 1,218.42
  4. Step 4: Simplify right side
    2,517.26x = 4,600,693.00
  5. Step 5: Solve for x
    x = 4,600,693.00/2,517.26
  6. Step 6: Final answer
    x = 1,827.66

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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.