Home / 2,579.82-3,883.61-2,203.98

Finding the Fourth Proportional to 2,579.82, 3,883.61 and 2,203.98

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Solution

The fourth proportional to 2,579.82, 3,883.61 and 2,203.98 is: 3,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.82 : 3,883.61 = 2,203.98 : x
  2. Step 2: Convert to fraction form
    2,579.82/3,883.61 = 2,203.98/x
  3. Step 3: Cross multiply
    2,579.82x = 3,883.61 × 2,203.98
  4. Step 4: Simplify right side
    2,579.82x = 8,559,387.75
  5. Step 5: Solve for x
    x = 8,559,387.75/2,579.82
  6. Step 6: Final answer
    x = 3,317.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.