Home / 2,560.20-3,839.82-1,533

Finding the Fourth Proportional to 2,560.20, 3,839.82 and 1,533

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Solution

The fourth proportional to 2,560.20, 3,839.82 and 1,533 is: 2,299.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.20 : 3,839.82 = 1,533 : x
  2. Step 2: Convert to fraction form
    2,560.20/3,839.82 = 1,533/x
  3. Step 3: Cross multiply
    2,560.20x = 3,839.82 × 1,533
  4. Step 4: Simplify right side
    2,560.20x = 5,886,444.06
  5. Step 5: Solve for x
    x = 5,886,444.06/2,560.20
  6. Step 6: Final answer
    x = 2,299.21

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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.