Home / 3,993.35-5,510.97-2,225.12

Finding the Fourth Proportional to 3,993.35, 5,510.97 and 2,225.12

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Solution

The fourth proportional to 3,993.35, 5,510.97 and 2,225.12 is: 3,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.35 : 5,510.97 = 2,225.12 : x
  2. Step 2: Convert to fraction form
    3,993.35/5,510.97 = 2,225.12/x
  3. Step 3: Cross multiply
    3,993.35x = 5,510.97 × 2,225.12
  4. Step 4: Simplify right side
    3,993.35x = 12,262,542.01
  5. Step 5: Solve for x
    x = 12,262,542.01/3,993.35
  6. Step 6: Final answer
    x = 3,070.74

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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.