Home / 3,174.24-4,758.48-1,787.52

Finding the Fourth Proportional to 3,174.24, 4,758.48 and 1,787.52

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Solution

The fourth proportional to 3,174.24, 4,758.48 and 1,787.52 is: 2,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.24 : 4,758.48 = 1,787.52 : x
  2. Step 2: Convert to fraction form
    3,174.24/4,758.48 = 1,787.52/x
  3. Step 3: Cross multiply
    3,174.24x = 4,758.48 × 1,787.52
  4. Step 4: Simplify right side
    3,174.24x = 8,505,878.17
  5. Step 5: Solve for x
    x = 8,505,878.17/3,174.24
  6. Step 6: Final answer
    x = 2,679.66

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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.