Home / 2,134.35-2,944.71-1,249.65

Finding the Fourth Proportional to 2,134.35, 2,944.71 and 1,249.65

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Solution

The fourth proportional to 2,134.35, 2,944.71 and 1,249.65 is: 1,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.35 : 2,944.71 = 1,249.65 : x
  2. Step 2: Convert to fraction form
    2,134.35/2,944.71 = 1,249.65/x
  3. Step 3: Cross multiply
    2,134.35x = 2,944.71 × 1,249.65
  4. Step 4: Simplify right side
    2,134.35x = 3,679,856.85
  5. Step 5: Solve for x
    x = 3,679,856.85/2,134.35
  6. Step 6: Final answer
    x = 1,724.11

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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.