Home / 1,304.62-1,966.09-1,222.60

Finding the Fourth Proportional to 1,304.62, 1,966.09 and 1,222.60

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Solution

The fourth proportional to 1,304.62, 1,966.09 and 1,222.60 is: 1,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.62 : 1,966.09 = 1,222.60 : x
  2. Step 2: Convert to fraction form
    1,304.62/1,966.09 = 1,222.60/x
  3. Step 3: Cross multiply
    1,304.62x = 1,966.09 × 1,222.60
  4. Step 4: Simplify right side
    1,304.62x = 2,403,741.63
  5. Step 5: Solve for x
    x = 2,403,741.63/1,304.62
  6. Step 6: Final answer
    x = 1,842.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.