Home / 3,994.17-5,511.84-2,225.76

Finding the Fourth Proportional to 3,994.17, 5,511.84 and 2,225.76

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Solution

The fourth proportional to 3,994.17, 5,511.84 and 2,225.76 is: 3,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.17 : 5,511.84 = 2,225.76 : x
  2. Step 2: Convert to fraction form
    3,994.17/5,511.84 = 2,225.76/x
  3. Step 3: Cross multiply
    3,994.17x = 5,511.84 × 2,225.76
  4. Step 4: Simplify right side
    3,994.17x = 12,268,033.00
  5. Step 5: Solve for x
    x = 12,268,033.00/3,994.17
  6. Step 6: Final answer
    x = 3,071.48

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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.