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Finding the Fourth Proportional to 3,393.72, 4,683.44 and 1,901.70

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Solution

The fourth proportional to 3,393.72, 4,683.44 and 1,901.70 is: 2,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.72 : 4,683.44 = 1,901.70 : x
  2. Step 2: Convert to fraction form
    3,393.72/4,683.44 = 1,901.70/x
  3. Step 3: Cross multiply
    3,393.72x = 4,683.44 × 1,901.70
  4. Step 4: Simplify right side
    3,393.72x = 8,906,497.85
  5. Step 5: Solve for x
    x = 8,906,497.85/3,393.72
  6. Step 6: Final answer
    x = 2,624.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.