Home / 2,278.89-3,410.42-1,400.99

Finding the Fourth Proportional to 2,278.89, 3,410.42 and 1,400.99

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Solution

The fourth proportional to 2,278.89, 3,410.42 and 1,400.99 is: 2,096.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.89 : 3,410.42 = 1,400.99 : x
  2. Step 2: Convert to fraction form
    2,278.89/3,410.42 = 1,400.99/x
  3. Step 3: Cross multiply
    2,278.89x = 3,410.42 × 1,400.99
  4. Step 4: Simplify right side
    2,278.89x = 4,777,940.26
  5. Step 5: Solve for x
    x = 4,777,940.26/2,278.89
  6. Step 6: Final answer
    x = 2,096.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.