Home / 2,381.22-3,286.23-1,583.17

Finding the Fourth Proportional to 2,381.22, 3,286.23 and 1,583.17

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Solution

The fourth proportional to 2,381.22, 3,286.23 and 1,583.17 is: 2,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.22 : 3,286.23 = 1,583.17 : x
  2. Step 2: Convert to fraction form
    2,381.22/3,286.23 = 1,583.17/x
  3. Step 3: Cross multiply
    2,381.22x = 3,286.23 × 1,583.17
  4. Step 4: Simplify right side
    2,381.22x = 5,202,660.75
  5. Step 5: Solve for x
    x = 5,202,660.75/2,381.22
  6. Step 6: Final answer
    x = 2,184.87

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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.