Home / 2,578.96-3,558.97-1,400.04

Finding the Fourth Proportional to 2,578.96, 3,558.97 and 1,400.04

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Solution

The fourth proportional to 2,578.96, 3,558.97 and 1,400.04 is: 1,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.96 : 3,558.97 = 1,400.04 : x
  2. Step 2: Convert to fraction form
    2,578.96/3,558.97 = 1,400.04/x
  3. Step 3: Cross multiply
    2,578.96x = 3,558.97 × 1,400.04
  4. Step 4: Simplify right side
    2,578.96x = 4,982,682.56
  5. Step 5: Solve for x
    x = 4,982,682.56/2,578.96
  6. Step 6: Final answer
    x = 1,932.05

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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.