Home / 3,306.45-4,562.41-2,129.12

Finding the Fourth Proportional to 3,306.45, 4,562.41 and 2,129.12

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Solution

The fourth proportional to 3,306.45, 4,562.41 and 2,129.12 is: 2,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.45 : 4,562.41 = 2,129.12 : x
  2. Step 2: Convert to fraction form
    3,306.45/4,562.41 = 2,129.12/x
  3. Step 3: Cross multiply
    3,306.45x = 4,562.41 × 2,129.12
  4. Step 4: Simplify right side
    3,306.45x = 9,713,918.38
  5. Step 5: Solve for x
    x = 9,713,918.38/3,306.45
  6. Step 6: Final answer
    x = 2,937.87

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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.