Home / 3,993.39-5,511.24-2,225.43

Finding the Fourth Proportional to 3,993.39, 5,511.24 and 2,225.43

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Solution

The fourth proportional to 3,993.39, 5,511.24 and 2,225.43 is: 3,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.39 : 5,511.24 = 2,225.43 : x
  2. Step 2: Convert to fraction form
    3,993.39/5,511.24 = 2,225.43/x
  3. Step 3: Cross multiply
    3,993.39x = 5,511.24 × 2,225.43
  4. Step 4: Simplify right side
    3,993.39x = 12,264,878.83
  5. Step 5: Solve for x
    x = 12,264,878.83/3,993.39
  6. Step 6: Final answer
    x = 3,071.30

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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.