Home / 3,994.12-5,511.67-2,225.55

Finding the Fourth Proportional to 3,994.12, 5,511.67 and 2,225.55

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Solution

The fourth proportional to 3,994.12, 5,511.67 and 2,225.55 is: 3,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.12 : 5,511.67 = 2,225.55 : x
  2. Step 2: Convert to fraction form
    3,994.12/5,511.67 = 2,225.55/x
  3. Step 3: Cross multiply
    3,994.12x = 5,511.67 × 2,225.55
  4. Step 4: Simplify right side
    3,994.12x = 12,266,497.17
  5. Step 5: Solve for x
    x = 12,266,497.17/3,994.12
  6. Step 6: Final answer
    x = 3,071.14

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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.