Home / 4,147.08-5,723.04-2,378.88

Finding the Fourth Proportional to 4,147.08, 5,723.04 and 2,378.88

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Solution

The fourth proportional to 4,147.08, 5,723.04 and 2,378.88 is: 3,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.08 : 5,723.04 = 2,378.88 : x
  2. Step 2: Convert to fraction form
    4,147.08/5,723.04 = 2,378.88/x
  3. Step 3: Cross multiply
    4,147.08x = 5,723.04 × 2,378.88
  4. Step 4: Simplify right side
    4,147.08x = 13,614,425.40
  5. Step 5: Solve for x
    x = 13,614,425.40/4,147.08
  6. Step 6: Final answer
    x = 3,282.89

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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.