Home / 3,759.79-5,189.22-2,267.92

Finding the Fourth Proportional to 3,759.79, 5,189.22 and 2,267.92

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Solution

The fourth proportional to 3,759.79, 5,189.22 and 2,267.92 is: 3,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.79 : 5,189.22 = 2,267.92 : x
  2. Step 2: Convert to fraction form
    3,759.79/5,189.22 = 2,267.92/x
  3. Step 3: Cross multiply
    3,759.79x = 5,189.22 × 2,267.92
  4. Step 4: Simplify right side
    3,759.79x = 11,768,735.82
  5. Step 5: Solve for x
    x = 11,768,735.82/3,759.79
  6. Step 6: Final answer
    x = 3,130.16

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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.