Home / 2,214.73-3,322.30-1,118.40

Finding the Fourth Proportional to 2,214.73, 3,322.30 and 1,118.40

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Solution

The fourth proportional to 2,214.73, 3,322.30 and 1,118.40 is: 1,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.73 : 3,322.30 = 1,118.40 : x
  2. Step 2: Convert to fraction form
    2,214.73/3,322.30 = 1,118.40/x
  3. Step 3: Cross multiply
    2,214.73x = 3,322.30 × 1,118.40
  4. Step 4: Simplify right side
    2,214.73x = 3,715,660.32
  5. Step 5: Solve for x
    x = 3,715,660.32/2,214.73
  6. Step 6: Final answer
    x = 1,677.70

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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.