Home / 2,381.52-3,570.96-1,147.26

Finding the Fourth Proportional to 2,381.52, 3,570.96 and 1,147.26

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Solution

The fourth proportional to 2,381.52, 3,570.96 and 1,147.26 is: 1,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.52 : 3,570.96 = 1,147.26 : x
  2. Step 2: Convert to fraction form
    2,381.52/3,570.96 = 1,147.26/x
  3. Step 3: Cross multiply
    2,381.52x = 3,570.96 × 1,147.26
  4. Step 4: Simplify right side
    2,381.52x = 4,096,819.57
  5. Step 5: Solve for x
    x = 4,096,819.57/2,381.52
  6. Step 6: Final answer
    x = 1,720.25

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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.