Home / 2,181.24-3,010.24-1,236.87

Finding the Fourth Proportional to 2,181.24, 3,010.24 and 1,236.87

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Solution

The fourth proportional to 2,181.24, 3,010.24 and 1,236.87 is: 1,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.24 : 3,010.24 = 1,236.87 : x
  2. Step 2: Convert to fraction form
    2,181.24/3,010.24 = 1,236.87/x
  3. Step 3: Cross multiply
    2,181.24x = 3,010.24 × 1,236.87
  4. Step 4: Simplify right side
    2,181.24x = 3,723,273.62
  5. Step 5: Solve for x
    x = 3,723,273.62/2,181.24
  6. Step 6: Final answer
    x = 1,706.95

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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.