Home / 3,873.28-5,345.96-2,382.46

Finding the Fourth Proportional to 3,873.28, 5,345.96 and 2,382.46

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Solution

The fourth proportional to 3,873.28, 5,345.96 and 2,382.46 is: 3,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.28 : 5,345.96 = 2,382.46 : x
  2. Step 2: Convert to fraction form
    3,873.28/5,345.96 = 2,382.46/x
  3. Step 3: Cross multiply
    3,873.28x = 5,345.96 × 2,382.46
  4. Step 4: Simplify right side
    3,873.28x = 12,736,535.86
  5. Step 5: Solve for x
    x = 12,736,535.86/3,873.28
  6. Step 6: Final answer
    x = 3,288.31

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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.