Home / 3,411.58-5,115.30-2,226.50

Finding the Fourth Proportional to 3,411.58, 5,115.30 and 2,226.50

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Solution

The fourth proportional to 3,411.58, 5,115.30 and 2,226.50 is: 3,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.58 : 5,115.30 = 2,226.50 : x
  2. Step 2: Convert to fraction form
    3,411.58/5,115.30 = 2,226.50/x
  3. Step 3: Cross multiply
    3,411.58x = 5,115.30 × 2,226.50
  4. Step 4: Simplify right side
    3,411.58x = 11,389,215.45
  5. Step 5: Solve for x
    x = 11,389,215.45/3,411.58
  6. Step 6: Final answer
    x = 3,338.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.