Home / 3,100.56-4,650.36-2,012.64

Finding the Fourth Proportional to 3,100.56, 4,650.36 and 2,012.64

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Solution

The fourth proportional to 3,100.56, 4,650.36 and 2,012.64 is: 3,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.56 : 4,650.36 = 2,012.64 : x
  2. Step 2: Convert to fraction form
    3,100.56/4,650.36 = 2,012.64/x
  3. Step 3: Cross multiply
    3,100.56x = 4,650.36 × 2,012.64
  4. Step 4: Simplify right side
    3,100.56x = 9,359,500.55
  5. Step 5: Solve for x
    x = 9,359,500.55/3,100.56
  6. Step 6: Final answer
    x = 3,018.65

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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.