Home / 3,677.61-5,516.38-1,486.30

Finding the Fourth Proportional to 3,677.61, 5,516.38 and 1,486.30

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Solution

The fourth proportional to 3,677.61, 5,516.38 and 1,486.30 is: 2,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.61 : 5,516.38 = 1,486.30 : x
  2. Step 2: Convert to fraction form
    3,677.61/5,516.38 = 1,486.30/x
  3. Step 3: Cross multiply
    3,677.61x = 5,516.38 × 1,486.30
  4. Step 4: Simplify right side
    3,677.61x = 8,198,995.59
  5. Step 5: Solve for x
    x = 8,198,995.59/3,677.61
  6. Step 6: Final answer
    x = 2,229.44

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1.5x scale

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.