Home / 1,878.38-2,593.07-1,249.95

Finding the Fourth Proportional to 1,878.38, 2,593.07 and 1,249.95

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Solution

The fourth proportional to 1,878.38, 2,593.07 and 1,249.95 is: 1,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.38 : 2,593.07 = 1,249.95 : x
  2. Step 2: Convert to fraction form
    1,878.38/2,593.07 = 1,249.95/x
  3. Step 3: Cross multiply
    1,878.38x = 2,593.07 × 1,249.95
  4. Step 4: Simplify right side
    1,878.38x = 3,241,207.85
  5. Step 5: Solve for x
    x = 3,241,207.85/1,878.38
  6. Step 6: Final answer
    x = 1,725.53

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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.