Home / 1,249.68-1,715.34-1,196.22

Finding the Fourth Proportional to 1,249.68, 1,715.34 and 1,196.22

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Solution

The fourth proportional to 1,249.68, 1,715.34 and 1,196.22 is: 1,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249.68 : 1,715.34 = 1,196.22 : x
  2. Step 2: Convert to fraction form
    1,249.68/1,715.34 = 1,196.22/x
  3. Step 3: Cross multiply
    1,249.68x = 1,715.34 × 1,196.22
  4. Step 4: Simplify right side
    1,249.68x = 2,051,924.01
  5. Step 5: Solve for x
    x = 2,051,924.01/1,249.68
  6. Step 6: Final answer
    x = 1,641.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.