Home / 2,561.52-3,843.34-1,226.64

Finding the Fourth Proportional to 2,561.52, 3,843.34 and 1,226.64

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Solution

The fourth proportional to 2,561.52, 3,843.34 and 1,226.64 is: 1,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.52 : 3,843.34 = 1,226.64 : x
  2. Step 2: Convert to fraction form
    2,561.52/3,843.34 = 1,226.64/x
  3. Step 3: Cross multiply
    2,561.52x = 3,843.34 × 1,226.64
  4. Step 4: Simplify right side
    2,561.52x = 4,714,394.98
  5. Step 5: Solve for x
    x = 4,714,394.98/2,561.52
  6. Step 6: Final answer
    x = 1,840.47

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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.