Home / 2,217.14-3,059.87-1,421.16

Finding the Fourth Proportional to 2,217.14, 3,059.87 and 1,421.16

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Solution

The fourth proportional to 2,217.14, 3,059.87 and 1,421.16 is: 1,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.14 : 3,059.87 = 1,421.16 : x
  2. Step 2: Convert to fraction form
    2,217.14/3,059.87 = 1,421.16/x
  3. Step 3: Cross multiply
    2,217.14x = 3,059.87 × 1,421.16
  4. Step 4: Simplify right side
    2,217.14x = 4,348,546.27
  5. Step 5: Solve for x
    x = 4,348,546.27/2,217.14
  6. Step 6: Final answer
    x = 1,961.33

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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.