Home / 3,688.88-5,524.20-3,520.19

Finding the Fourth Proportional to 3,688.88, 5,524.20 and 3,520.19

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Solution

The fourth proportional to 3,688.88, 5,524.20 and 3,520.19 is: 5,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.88 : 5,524.20 = 3,520.19 : x
  2. Step 2: Convert to fraction form
    3,688.88/5,524.20 = 3,520.19/x
  3. Step 3: Cross multiply
    3,688.88x = 5,524.20 × 3,520.19
  4. Step 4: Simplify right side
    3,688.88x = 19,446,205.98
  5. Step 5: Solve for x
    x = 19,446,205.98/3,688.88
  6. Step 6: Final answer
    x = 5,271.58

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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.