Home / 2,261.43-3,391.53-1,535.47

Finding the Fourth Proportional to 2,261.43, 3,391.53 and 1,535.47

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Solution

The fourth proportional to 2,261.43, 3,391.53 and 1,535.47 is: 2,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.43 : 3,391.53 = 1,535.47 : x
  2. Step 2: Convert to fraction form
    2,261.43/3,391.53 = 1,535.47/x
  3. Step 3: Cross multiply
    2,261.43x = 3,391.53 × 1,535.47
  4. Step 4: Simplify right side
    2,261.43x = 5,207,592.57
  5. Step 5: Solve for x
    x = 5,207,592.57/2,261.43
  6. Step 6: Final answer
    x = 2,302.79

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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.