Home / 3,382.24-4,667.28-1,889.92

Finding the Fourth Proportional to 3,382.24, 4,667.28 and 1,889.92

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Solution

The fourth proportional to 3,382.24, 4,667.28 and 1,889.92 is: 2,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.24 : 4,667.28 = 1,889.92 : x
  2. Step 2: Convert to fraction form
    3,382.24/4,667.28 = 1,889.92/x
  3. Step 3: Cross multiply
    3,382.24x = 4,667.28 × 1,889.92
  4. Step 4: Simplify right side
    3,382.24x = 8,820,785.82
  5. Step 5: Solve for x
    x = 8,820,785.82/3,382.24
  6. Step 6: Final answer
    x = 2,607.97

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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.