Home / 2,748.36-3,791.21-1,751.91

Finding the Fourth Proportional to 2,748.36, 3,791.21 and 1,751.91

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Solution

The fourth proportional to 2,748.36, 3,791.21 and 1,751.91 is: 2,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.36 : 3,791.21 = 1,751.91 : x
  2. Step 2: Convert to fraction form
    2,748.36/3,791.21 = 1,751.91/x
  3. Step 3: Cross multiply
    2,748.36x = 3,791.21 × 1,751.91
  4. Step 4: Simplify right side
    2,748.36x = 6,641,849.95
  5. Step 5: Solve for x
    x = 6,641,849.95/2,748.36
  6. Step 6: Final answer
    x = 2,416.66

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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.