Home / 3,936.57-5,904.72-1,470.66

Finding the Fourth Proportional to 3,936.57, 5,904.72 and 1,470.66

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Solution

The fourth proportional to 3,936.57, 5,904.72 and 1,470.66 is: 2,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.57 : 5,904.72 = 1,470.66 : x
  2. Step 2: Convert to fraction form
    3,936.57/5,904.72 = 1,470.66/x
  3. Step 3: Cross multiply
    3,936.57x = 5,904.72 × 1,470.66
  4. Step 4: Simplify right side
    3,936.57x = 8,683,835.52
  5. Step 5: Solve for x
    x = 8,683,835.52/3,936.57
  6. Step 6: Final answer
    x = 2,205.94

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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.