Home / 1,249.75-1,731.94-1,232.13

Finding the Fourth Proportional to 1,249.75, 1,731.94 and 1,232.13

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Solution

The fourth proportional to 1,249.75, 1,731.94 and 1,232.13 is: 1,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249.75 : 1,731.94 = 1,232.13 : x
  2. Step 2: Convert to fraction form
    1,249.75/1,731.94 = 1,232.13/x
  3. Step 3: Cross multiply
    1,249.75x = 1,731.94 × 1,232.13
  4. Step 4: Simplify right side
    1,249.75x = 2,133,975.23
  5. Step 5: Solve for x
    x = 2,133,975.23/1,249.75
  6. Step 6: Final answer
    x = 1,707.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.