Home / 2,560.69-3,837.87-1,327.39

Finding the Fourth Proportional to 2,560.69, 3,837.87 and 1,327.39

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Solution

The fourth proportional to 2,560.69, 3,837.87 and 1,327.39 is: 1,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.69 : 3,837.87 = 1,327.39 : x
  2. Step 2: Convert to fraction form
    2,560.69/3,837.87 = 1,327.39/x
  3. Step 3: Cross multiply
    2,560.69x = 3,837.87 × 1,327.39
  4. Step 4: Simplify right side
    2,560.69x = 5,094,350.26
  5. Step 5: Solve for x
    x = 5,094,350.26/2,560.69
  6. Step 6: Final answer
    x = 1,989.44

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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.