Home / 3,684.72-5,527.64-1,087.76

Finding the Fourth Proportional to 3,684.72, 5,527.64 and 1,087.76

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Solution

The fourth proportional to 3,684.72, 5,527.64 and 1,087.76 is: 1,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.72 : 5,527.64 = 1,087.76 : x
  2. Step 2: Convert to fraction form
    3,684.72/5,527.64 = 1,087.76/x
  3. Step 3: Cross multiply
    3,684.72x = 5,527.64 × 1,087.76
  4. Step 4: Simplify right side
    3,684.72x = 6,012,745.69
  5. Step 5: Solve for x
    x = 6,012,745.69/3,684.72
  6. Step 6: Final answer
    x = 1,631.81

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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.