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Finding the Fourth Proportional to 3,473.76, 4,793.80 and 1,901.86

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Solution

The fourth proportional to 3,473.76, 4,793.80 and 1,901.86 is: 2,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.76 : 4,793.80 = 1,901.86 : x
  2. Step 2: Convert to fraction form
    3,473.76/4,793.80 = 1,901.86/x
  3. Step 3: Cross multiply
    3,473.76x = 4,793.80 × 1,901.86
  4. Step 4: Simplify right side
    3,473.76x = 9,117,136.47
  5. Step 5: Solve for x
    x = 9,117,136.47/3,473.76
  6. Step 6: Final answer
    x = 2,624.57

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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.