Home / 1,414.83-2,110.25-1,230.78

Finding the Fourth Proportional to 1,414.83, 2,110.25 and 1,230.78

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Solution

The fourth proportional to 1,414.83, 2,110.25 and 1,230.78 is: 1,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.83 : 2,110.25 = 1,230.78 : x
  2. Step 2: Convert to fraction form
    1,414.83/2,110.25 = 1,230.78/x
  3. Step 3: Cross multiply
    1,414.83x = 2,110.25 × 1,230.78
  4. Step 4: Simplify right side
    1,414.83x = 2,597,247.34
  5. Step 5: Solve for x
    x = 2,597,247.34/1,414.83
  6. Step 6: Final answer
    x = 1,835.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.