Home / 3,261.12-4,887.36-1,776.54

Finding the Fourth Proportional to 3,261.12, 4,887.36 and 1,776.54

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Solution

The fourth proportional to 3,261.12, 4,887.36 and 1,776.54 is: 2,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.12 : 4,887.36 = 1,776.54 : x
  2. Step 2: Convert to fraction form
    3,261.12/4,887.36 = 1,776.54/x
  3. Step 3: Cross multiply
    3,261.12x = 4,887.36 × 1,776.54
  4. Step 4: Simplify right side
    3,261.12x = 8,682,557.21
  5. Step 5: Solve for x
    x = 8,682,557.21/3,261.12
  6. Step 6: Final answer
    x = 2,662.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.