Home / 2,579.82-3,560.18-1,400.90

Finding the Fourth Proportional to 2,579.82, 3,560.18 and 1,400.90

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Solution

The fourth proportional to 2,579.82, 3,560.18 and 1,400.90 is: 1,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.82 : 3,560.18 = 1,400.90 : x
  2. Step 2: Convert to fraction form
    2,579.82/3,560.18 = 1,400.90/x
  3. Step 3: Cross multiply
    2,579.82x = 3,560.18 × 1,400.90
  4. Step 4: Simplify right side
    2,579.82x = 4,987,435.30
  5. Step 5: Solve for x
    x = 4,987,435.30/2,579.82
  6. Step 6: Final answer
    x = 1,933.25

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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.