Home / 4,147.43-5,723.35-2,378.92

Finding the Fourth Proportional to 4,147.43, 5,723.35 and 2,378.92

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Solution

The fourth proportional to 4,147.43, 5,723.35 and 2,378.92 is: 3,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.43 : 5,723.35 = 2,378.92 : x
  2. Step 2: Convert to fraction form
    4,147.43/5,723.35 = 2,378.92/x
  3. Step 3: Cross multiply
    4,147.43x = 5,723.35 × 2,378.92
  4. Step 4: Simplify right side
    4,147.43x = 13,615,371.53
  5. Step 5: Solve for x
    x = 13,615,371.53/4,147.43
  6. Step 6: Final answer
    x = 3,282.85

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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.