Home / 3,677.88-5,516.68-1,336.80

Finding the Fourth Proportional to 3,677.88, 5,516.68 and 1,336.80

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Solution

The fourth proportional to 3,677.88, 5,516.68 and 1,336.80 is: 2,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.88 : 5,516.68 = 1,336.80 : x
  2. Step 2: Convert to fraction form
    3,677.88/5,516.68 = 1,336.80/x
  3. Step 3: Cross multiply
    3,677.88x = 5,516.68 × 1,336.80
  4. Step 4: Simplify right side
    3,677.88x = 7,374,697.82
  5. Step 5: Solve for x
    x = 7,374,697.82/3,677.88
  6. Step 6: Final answer
    x = 2,005.15

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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.