Home / 3,073.61-4,247.26-2,921.90

Finding the Fourth Proportional to 3,073.61, 4,247.26 and 2,921.90

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Solution

The fourth proportional to 3,073.61, 4,247.26 and 2,921.90 is: 4,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.61 : 4,247.26 = 2,921.90 : x
  2. Step 2: Convert to fraction form
    3,073.61/4,247.26 = 2,921.90/x
  3. Step 3: Cross multiply
    3,073.61x = 4,247.26 × 2,921.90
  4. Step 4: Simplify right side
    3,073.61x = 12,410,040.45
  5. Step 5: Solve for x
    x = 12,410,040.45/3,073.61
  6. Step 6: Final answer
    x = 4,037.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.