Home / 2,381.23-3,282.91-1,634.91

Finding the Fourth Proportional to 2,381.23, 3,282.91 and 1,634.91

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Solution

The fourth proportional to 2,381.23, 3,282.91 and 1,634.91 is: 2,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.23 : 3,282.91 = 1,634.91 : x
  2. Step 2: Convert to fraction form
    2,381.23/3,282.91 = 1,634.91/x
  3. Step 3: Cross multiply
    2,381.23x = 3,282.91 × 1,634.91
  4. Step 4: Simplify right side
    2,381.23x = 5,367,262.39
  5. Step 5: Solve for x
    x = 5,367,262.39/2,381.23
  6. Step 6: Final answer
    x = 2,253.99

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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.