Home / 3,134.35-4,702.17-1,285.42

Finding the Fourth Proportional to 3,134.35, 4,702.17 and 1,285.42

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Solution

The fourth proportional to 3,134.35, 4,702.17 and 1,285.42 is: 1,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.35 : 4,702.17 = 1,285.42 : x
  2. Step 2: Convert to fraction form
    3,134.35/4,702.17 = 1,285.42/x
  3. Step 3: Cross multiply
    3,134.35x = 4,702.17 × 1,285.42
  4. Step 4: Simplify right side
    3,134.35x = 6,044,239.85
  5. Step 5: Solve for x
    x = 6,044,239.85/3,134.35
  6. Step 6: Final answer
    x = 1,928.39

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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.