Home / 3,748.97-5,174.09-2,555.69

Finding the Fourth Proportional to 3,748.97, 5,174.09 and 2,555.69

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Solution

The fourth proportional to 3,748.97, 5,174.09 and 2,555.69 is: 3,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.97 : 5,174.09 = 2,555.69 : x
  2. Step 2: Convert to fraction form
    3,748.97/5,174.09 = 2,555.69/x
  3. Step 3: Cross multiply
    3,748.97x = 5,174.09 × 2,555.69
  4. Step 4: Simplify right side
    3,748.97x = 13,223,370.07
  5. Step 5: Solve for x
    x = 13,223,370.07/3,748.97
  6. Step 6: Final answer
    x = 3,527.20

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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.