Home / 2,271.73-3,135.64-1,327.75

Finding the Fourth Proportional to 2,271.73, 3,135.64 and 1,327.75

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Solution

The fourth proportional to 2,271.73, 3,135.64 and 1,327.75 is: 1,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.73 : 3,135.64 = 1,327.75 : x
  2. Step 2: Convert to fraction form
    2,271.73/3,135.64 = 1,327.75/x
  3. Step 3: Cross multiply
    2,271.73x = 3,135.64 × 1,327.75
  4. Step 4: Simplify right side
    2,271.73x = 4,163,346.01
  5. Step 5: Solve for x
    x = 4,163,346.01/2,271.73
  6. Step 6: Final answer
    x = 1,832.68

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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.