Home / 2,550.22-3,519.36-1,431.24

Finding the Fourth Proportional to 2,550.22, 3,519.36 and 1,431.24

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Solution

The fourth proportional to 2,550.22, 3,519.36 and 1,431.24 is: 1,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.22 : 3,519.36 = 1,431.24 : x
  2. Step 2: Convert to fraction form
    2,550.22/3,519.36 = 1,431.24/x
  3. Step 3: Cross multiply
    2,550.22x = 3,519.36 × 1,431.24
  4. Step 4: Simplify right side
    2,550.22x = 5,037,041.65
  5. Step 5: Solve for x
    x = 5,037,041.65/2,550.22
  6. Step 6: Final answer
    x = 1,975.14

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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.