Home / 3,993.73-5,511.35-2,225.40

Finding the Fourth Proportional to 3,993.73, 5,511.35 and 2,225.40

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Solution

The fourth proportional to 3,993.73, 5,511.35 and 2,225.40 is: 3,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.73 : 5,511.35 = 2,225.40 : x
  2. Step 2: Convert to fraction form
    3,993.73/5,511.35 = 2,225.40/x
  3. Step 3: Cross multiply
    3,993.73x = 5,511.35 × 2,225.40
  4. Step 4: Simplify right side
    3,993.73x = 12,264,930.73
  5. Step 5: Solve for x
    x = 12,264,930.73/3,993.73
  6. Step 6: Final answer
    x = 3,071.05

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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.