Home / 2,748.05-3,791.41-1,753.65

Finding the Fourth Proportional to 2,748.05, 3,791.41 and 1,753.65

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Solution

The fourth proportional to 2,748.05, 3,791.41 and 1,753.65 is: 2,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.05 : 3,791.41 = 1,753.65 : x
  2. Step 2: Convert to fraction form
    2,748.05/3,791.41 = 1,753.65/x
  3. Step 3: Cross multiply
    2,748.05x = 3,791.41 × 1,753.65
  4. Step 4: Simplify right side
    2,748.05x = 6,648,806.15
  5. Step 5: Solve for x
    x = 6,648,806.15/2,748.05
  6. Step 6: Final answer
    x = 2,419.46

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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.