Home / 2,550.93-3,519.99-1,431.87

Finding the Fourth Proportional to 2,550.93, 3,519.99 and 1,431.87

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Solution

The fourth proportional to 2,550.93, 3,519.99 and 1,431.87 is: 1,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.93 : 3,519.99 = 1,431.87 : x
  2. Step 2: Convert to fraction form
    2,550.93/3,519.99 = 1,431.87/x
  3. Step 3: Cross multiply
    2,550.93x = 3,519.99 × 1,431.87
  4. Step 4: Simplify right side
    2,550.93x = 5,040,168.08
  5. Step 5: Solve for x
    x = 5,040,168.08/2,550.93
  6. Step 6: Final answer
    x = 1,975.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.