Home / 3,286.17-4,534.08-2,108.83

Finding the Fourth Proportional to 3,286.17, 4,534.08 and 2,108.83

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Solution

The fourth proportional to 3,286.17, 4,534.08 and 2,108.83 is: 2,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.17 : 4,534.08 = 2,108.83 : x
  2. Step 2: Convert to fraction form
    3,286.17/4,534.08 = 2,108.83/x
  3. Step 3: Cross multiply
    3,286.17x = 4,534.08 × 2,108.83
  4. Step 4: Simplify right side
    3,286.17x = 9,561,603.93
  5. Step 5: Solve for x
    x = 9,561,603.93/3,286.17
  6. Step 6: Final answer
    x = 2,909.65

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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.