Home / 3,487.72-5,232.96-1,538.56

Finding the Fourth Proportional to 3,487.72, 5,232.96 and 1,538.56

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Solution

The fourth proportional to 3,487.72, 5,232.96 and 1,538.56 is: 2,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.72 : 5,232.96 = 1,538.56 : x
  2. Step 2: Convert to fraction form
    3,487.72/5,232.96 = 1,538.56/x
  3. Step 3: Cross multiply
    3,487.72x = 5,232.96 × 1,538.56
  4. Step 4: Simplify right side
    3,487.72x = 8,051,222.94
  5. Step 5: Solve for x
    x = 8,051,222.94/3,487.72
  6. Step 6: Final answer
    x = 2,308.45

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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.