Home / 2,049.25-2,827.98-1,117.75

Finding the Fourth Proportional to 2,049.25, 2,827.98 and 1,117.75

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Solution

The fourth proportional to 2,049.25, 2,827.98 and 1,117.75 is: 1,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.25 : 2,827.98 = 1,117.75 : x
  2. Step 2: Convert to fraction form
    2,049.25/2,827.98 = 1,117.75/x
  3. Step 3: Cross multiply
    2,049.25x = 2,827.98 × 1,117.75
  4. Step 4: Simplify right side
    2,049.25x = 3,160,974.65
  5. Step 5: Solve for x
    x = 3,160,974.65/2,049.25
  6. Step 6: Final answer
    x = 1,542.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.