Home / 2,550.27-3,519.51-1,431.26

Finding the Fourth Proportional to 2,550.27, 3,519.51 and 1,431.26

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Solution

The fourth proportional to 2,550.27, 3,519.51 and 1,431.26 is: 1,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.27 : 3,519.51 = 1,431.26 : x
  2. Step 2: Convert to fraction form
    2,550.27/3,519.51 = 1,431.26/x
  3. Step 3: Cross multiply
    2,550.27x = 3,519.51 × 1,431.26
  4. Step 4: Simplify right side
    2,550.27x = 5,037,333.88
  5. Step 5: Solve for x
    x = 5,037,333.88/2,550.27
  6. Step 6: Final answer
    x = 1,975.22

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1.5x scale

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.