Home / 2,381.74-3,286.34-1,542.33

Finding the Fourth Proportional to 2,381.74, 3,286.34 and 1,542.33

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Solution

The fourth proportional to 2,381.74, 3,286.34 and 1,542.33 is: 2,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.74 : 3,286.34 = 1,542.33 : x
  2. Step 2: Convert to fraction form
    2,381.74/3,286.34 = 1,542.33/x
  3. Step 3: Cross multiply
    2,381.74x = 3,286.34 × 1,542.33
  4. Step 4: Simplify right side
    2,381.74x = 5,068,620.77
  5. Step 5: Solve for x
    x = 5,068,620.77/2,381.74
  6. Step 6: Final answer
    x = 2,128.12

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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.