Home / 3,638.88-5,458.56-3,060.96

Finding the Fourth Proportional to 3,638.88, 5,458.56 and 3,060.96

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Solution

The fourth proportional to 3,638.88, 5,458.56 and 3,060.96 is: 4,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.88 : 5,458.56 = 3,060.96 : x
  2. Step 2: Convert to fraction form
    3,638.88/5,458.56 = 3,060.96/x
  3. Step 3: Cross multiply
    3,638.88x = 5,458.56 × 3,060.96
  4. Step 4: Simplify right side
    3,638.88x = 16,708,433.82
  5. Step 5: Solve for x
    x = 16,708,433.82/3,638.88
  6. Step 6: Final answer
    x = 4,591.64

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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.