Home / 3,665.81-5,500.34-1,473.95

Finding the Fourth Proportional to 3,665.81, 5,500.34 and 1,473.95

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Solution

The fourth proportional to 3,665.81, 5,500.34 and 1,473.95 is: 2,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.81 : 5,500.34 = 1,473.95 : x
  2. Step 2: Convert to fraction form
    3,665.81/5,500.34 = 1,473.95/x
  3. Step 3: Cross multiply
    3,665.81x = 5,500.34 × 1,473.95
  4. Step 4: Simplify right side
    3,665.81x = 8,107,191.27
  5. Step 5: Solve for x
    x = 8,107,191.27/3,665.81
  6. Step 6: Final answer
    x = 2,211.57

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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.