Home / 3,873.27-5,345.96-2,382.47

Finding the Fourth Proportional to 3,873.27, 5,345.96 and 2,382.47

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Solution

The fourth proportional to 3,873.27, 5,345.96 and 2,382.47 is: 3,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.27 : 5,345.96 = 2,382.47 : x
  2. Step 2: Convert to fraction form
    3,873.27/5,345.96 = 2,382.47/x
  3. Step 3: Cross multiply
    3,873.27x = 5,345.96 × 2,382.47
  4. Step 4: Simplify right side
    3,873.27x = 12,736,589.32
  5. Step 5: Solve for x
    x = 12,736,589.32/3,873.27
  6. Step 6: Final answer
    x = 3,288.33

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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.