Home / 2,578.97-3,558.98-1,400.06

Finding the Fourth Proportional to 2,578.97, 3,558.98 and 1,400.06

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Solution

The fourth proportional to 2,578.97, 3,558.98 and 1,400.06 is: 1,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.97 : 3,558.98 = 1,400.06 : x
  2. Step 2: Convert to fraction form
    2,578.97/3,558.98 = 1,400.06/x
  3. Step 3: Cross multiply
    2,578.97x = 3,558.98 × 1,400.06
  4. Step 4: Simplify right side
    2,578.97x = 4,982,760.74
  5. Step 5: Solve for x
    x = 4,982,760.74/2,578.97
  6. Step 6: Final answer
    x = 1,932.08

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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.