Home / 3,321.18-4,983.57-2,798.73

Finding the Fourth Proportional to 3,321.18, 4,983.57 and 2,798.73

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Solution

The fourth proportional to 3,321.18, 4,983.57 and 2,798.73 is: 4,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.18 : 4,983.57 = 2,798.73 : x
  2. Step 2: Convert to fraction form
    3,321.18/4,983.57 = 2,798.73/x
  3. Step 3: Cross multiply
    3,321.18x = 4,983.57 × 2,798.73
  4. Step 4: Simplify right side
    3,321.18x = 13,947,666.87
  5. Step 5: Solve for x
    x = 13,947,666.87/3,321.18
  6. Step 6: Final answer
    x = 4,199.61

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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.