Home / 2,174.38-3,261.58-1,077.64

Finding the Fourth Proportional to 2,174.38, 3,261.58 and 1,077.64

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Solution

The fourth proportional to 2,174.38, 3,261.58 and 1,077.64 is: 1,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.38 : 3,261.58 = 1,077.64 : x
  2. Step 2: Convert to fraction form
    2,174.38/3,261.58 = 1,077.64/x
  3. Step 3: Cross multiply
    2,174.38x = 3,261.58 × 1,077.64
  4. Step 4: Simplify right side
    2,174.38x = 3,514,811.84
  5. Step 5: Solve for x
    x = 3,514,811.84/2,174.38
  6. Step 6: Final answer
    x = 1,616.46

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