Home / 4,147.35-5,723.88-2,378.61

Finding the Fourth Proportional to 4,147.35, 5,723.88 and 2,378.61

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Solution

The fourth proportional to 4,147.35, 5,723.88 and 2,378.61 is: 3,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.35 : 5,723.88 = 2,378.61 : x
  2. Step 2: Convert to fraction form
    4,147.35/5,723.88 = 2,378.61/x
  3. Step 3: Cross multiply
    4,147.35x = 5,723.88 × 2,378.61
  4. Step 4: Simplify right side
    4,147.35x = 13,614,878.21
  5. Step 5: Solve for x
    x = 13,614,878.21/4,147.35
  6. Step 6: Final answer
    x = 3,282.79

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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.