Home / 1,774.26-2,448.45-1,249.62

Finding the Fourth Proportional to 1,774.26, 2,448.45 and 1,249.62

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Solution

The fourth proportional to 1,774.26, 2,448.45 and 1,249.62 is: 1,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.26 : 2,448.45 = 1,249.62 : x
  2. Step 2: Convert to fraction form
    1,774.26/2,448.45 = 1,249.62/x
  3. Step 3: Cross multiply
    1,774.26x = 2,448.45 × 1,249.62
  4. Step 4: Simplify right side
    1,774.26x = 3,059,632.09
  5. Step 5: Solve for x
    x = 3,059,632.09/1,774.26
  6. Step 6: Final answer
    x = 1,724.46

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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.