Home / 3,983.52-5,497.12-2,215.04

Finding the Fourth Proportional to 3,983.52, 5,497.12 and 2,215.04

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Solution

The fourth proportional to 3,983.52, 5,497.12 and 2,215.04 is: 3,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.52 : 5,497.12 = 2,215.04 : x
  2. Step 2: Convert to fraction form
    3,983.52/5,497.12 = 2,215.04/x
  3. Step 3: Cross multiply
    3,983.52x = 5,497.12 × 2,215.04
  4. Step 4: Simplify right side
    3,983.52x = 12,176,340.68
  5. Step 5: Solve for x
    x = 12,176,340.68/3,983.52
  6. Step 6: Final answer
    x = 3,056.68

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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.