Home / 3,688.37-5,538.09-3,173.97

Finding the Fourth Proportional to 3,688.37, 5,538.09 and 3,173.97

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Solution

The fourth proportional to 3,688.37, 5,538.09 and 3,173.97 is: 4,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.37 : 5,538.09 = 3,173.97 : x
  2. Step 2: Convert to fraction form
    3,688.37/5,538.09 = 3,173.97/x
  3. Step 3: Cross multiply
    3,688.37x = 5,538.09 × 3,173.97
  4. Step 4: Simplify right side
    3,688.37x = 17,577,731.52
  5. Step 5: Solve for x
    x = 17,577,731.52/3,688.37
  6. Step 6: Final answer
    x = 4,765.72

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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.