Home / 3,677.87-5,516.70-1,486.51

Finding the Fourth Proportional to 3,677.87, 5,516.70 and 1,486.51

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Solution

The fourth proportional to 3,677.87, 5,516.70 and 1,486.51 is: 2,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.87 : 5,516.70 = 1,486.51 : x
  2. Step 2: Convert to fraction form
    3,677.87/5,516.70 = 1,486.51/x
  3. Step 3: Cross multiply
    3,677.87x = 5,516.70 × 1,486.51
  4. Step 4: Simplify right side
    3,677.87x = 8,200,629.72
  5. Step 5: Solve for x
    x = 8,200,629.72/3,677.87
  6. Step 6: Final answer
    x = 2,229.72

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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.