Home / 4,144.61-5,720.78-2,709.19

Finding the Fourth Proportional to 4,144.61, 5,720.78 and 2,709.19

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Solution

The fourth proportional to 4,144.61, 5,720.78 and 2,709.19 is: 3,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.61 : 5,720.78 = 2,709.19 : x
  2. Step 2: Convert to fraction form
    4,144.61/5,720.78 = 2,709.19/x
  3. Step 3: Cross multiply
    4,144.61x = 5,720.78 × 2,709.19
  4. Step 4: Simplify right side
    4,144.61x = 15,498,667.72
  5. Step 5: Solve for x
    x = 15,498,667.72/4,144.61
  6. Step 6: Final answer
    x = 3,739.47

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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.