Home / 2,750.75-4,122.98-1,106.25

Finding the Fourth Proportional to 2,750.75, 4,122.98 and 1,106.25

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Solution

The fourth proportional to 2,750.75, 4,122.98 and 1,106.25 is: 1,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.75 : 4,122.98 = 1,106.25 : x
  2. Step 2: Convert to fraction form
    2,750.75/4,122.98 = 1,106.25/x
  3. Step 3: Cross multiply
    2,750.75x = 4,122.98 × 1,106.25
  4. Step 4: Simplify right side
    2,750.75x = 4,561,046.63
  5. Step 5: Solve for x
    x = 4,561,046.63/2,750.75
  6. Step 6: Final answer
    x = 1,658.11

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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.