Home / 3,138.52-4,704.96-1,192.10

Finding the Fourth Proportional to 3,138.52, 4,704.96 and 1,192.10

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Solution

The fourth proportional to 3,138.52, 4,704.96 and 1,192.10 is: 1,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.52 : 4,704.96 = 1,192.10 : x
  2. Step 2: Convert to fraction form
    3,138.52/4,704.96 = 1,192.10/x
  3. Step 3: Cross multiply
    3,138.52x = 4,704.96 × 1,192.10
  4. Step 4: Simplify right side
    3,138.52x = 5,608,782.82
  5. Step 5: Solve for x
    x = 5,608,782.82/3,138.52
  6. Step 6: Final answer
    x = 1,787.08

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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.