Home / 3,135.27-4,703.91-1,285.38

Finding the Fourth Proportional to 3,135.27, 4,703.91 and 1,285.38

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Solution

The fourth proportional to 3,135.27, 4,703.91 and 1,285.38 is: 1,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.27 : 4,703.91 = 1,285.38 : x
  2. Step 2: Convert to fraction form
    3,135.27/4,703.91 = 1,285.38/x
  3. Step 3: Cross multiply
    3,135.27x = 4,703.91 × 1,285.38
  4. Step 4: Simplify right side
    3,135.27x = 6,046,311.84
  5. Step 5: Solve for x
    x = 6,046,311.84/3,135.27
  6. Step 6: Final answer
    x = 1,928.48

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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.