Home / 2,381.26-3,574.20-1,149.54

Finding the Fourth Proportional to 2,381.26, 3,574.20 and 1,149.54

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Solution

The fourth proportional to 2,381.26, 3,574.20 and 1,149.54 is: 1,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.26 : 3,574.20 = 1,149.54 : x
  2. Step 2: Convert to fraction form
    2,381.26/3,574.20 = 1,149.54/x
  3. Step 3: Cross multiply
    2,381.26x = 3,574.20 × 1,149.54
  4. Step 4: Simplify right side
    2,381.26x = 4,108,680.12
  5. Step 5: Solve for x
    x = 4,108,680.12/2,381.26
  6. Step 6: Final answer
    x = 1,725.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.