Home / 2,217.33-3,059.84-1,209.02

Finding the Fourth Proportional to 2,217.33, 3,059.84 and 1,209.02

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Solution

The fourth proportional to 2,217.33, 3,059.84 and 1,209.02 is: 1,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.33 : 3,059.84 = 1,209.02 : x
  2. Step 2: Convert to fraction form
    2,217.33/3,059.84 = 1,209.02/x
  3. Step 3: Cross multiply
    2,217.33x = 3,059.84 × 1,209.02
  4. Step 4: Simplify right side
    2,217.33x = 3,699,407.76
  5. Step 5: Solve for x
    x = 3,699,407.76/2,217.33
  6. Step 6: Final answer
    x = 1,668.41

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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.