Home / 3,983.28-5,497.89-2,305.65

Finding the Fourth Proportional to 3,983.28, 5,497.89 and 2,305.65

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Solution

The fourth proportional to 3,983.28, 5,497.89 and 2,305.65 is: 3,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.28 : 5,497.89 = 2,305.65 : x
  2. Step 2: Convert to fraction form
    3,983.28/5,497.89 = 2,305.65/x
  3. Step 3: Cross multiply
    3,983.28x = 5,497.89 × 2,305.65
  4. Step 4: Simplify right side
    3,983.28x = 12,676,210.08
  5. Step 5: Solve for x
    x = 12,676,210.08/3,983.28
  6. Step 6: Final answer
    x = 3,182.35

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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.