Home / 2,961.11-4,086.32-1,782.24

Finding the Fourth Proportional to 2,961.11, 4,086.32 and 1,782.24

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Solution

The fourth proportional to 2,961.11, 4,086.32 and 1,782.24 is: 2,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.11 : 4,086.32 = 1,782.24 : x
  2. Step 2: Convert to fraction form
    2,961.11/4,086.32 = 1,782.24/x
  3. Step 3: Cross multiply
    2,961.11x = 4,086.32 × 1,782.24
  4. Step 4: Simplify right side
    2,961.11x = 7,282,794.05
  5. Step 5: Solve for x
    x = 7,282,794.05/2,961.11
  6. Step 6: Final answer
    x = 2,459.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.