Home / 4,147.39-5,723.73-2,379.57

Finding the Fourth Proportional to 4,147.39, 5,723.73 and 2,379.57

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Solution

The fourth proportional to 4,147.39, 5,723.73 and 2,379.57 is: 3,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.39 : 5,723.73 = 2,379.57 : x
  2. Step 2: Convert to fraction form
    4,147.39/5,723.73 = 2,379.57/x
  3. Step 3: Cross multiply
    4,147.39x = 5,723.73 × 2,379.57
  4. Step 4: Simplify right side
    4,147.39x = 13,620,016.20
  5. Step 5: Solve for x
    x = 13,620,016.20/4,147.39
  6. Step 6: Final answer
    x = 3,284.00

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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.