Home / 1,327.05-1,832.22-1,216.08

Finding the Fourth Proportional to 1,327.05, 1,832.22 and 1,216.08

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Solution

The fourth proportional to 1,327.05, 1,832.22 and 1,216.08 is: 1,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.05 : 1,832.22 = 1,216.08 : x
  2. Step 2: Convert to fraction form
    1,327.05/1,832.22 = 1,216.08/x
  3. Step 3: Cross multiply
    1,327.05x = 1,832.22 × 1,216.08
  4. Step 4: Simplify right side
    1,327.05x = 2,228,126.10
  5. Step 5: Solve for x
    x = 2,228,126.10/1,327.05
  6. Step 6: Final answer
    x = 1,679.01

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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.