Home / 3,993.18-5,510.46-2,224.76

Finding the Fourth Proportional to 3,993.18, 5,510.46 and 2,224.76

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Solution

The fourth proportional to 3,993.18, 5,510.46 and 2,224.76 is: 3,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.18 : 5,510.46 = 2,224.76 : x
  2. Step 2: Convert to fraction form
    3,993.18/5,510.46 = 2,224.76/x
  3. Step 3: Cross multiply
    3,993.18x = 5,510.46 × 2,224.76
  4. Step 4: Simplify right side
    3,993.18x = 12,259,450.99
  5. Step 5: Solve for x
    x = 12,259,450.99/3,993.18
  6. Step 6: Final answer
    x = 3,070.10

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Half scale
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Double scale
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1.5x scale

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.