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Finding the Fourth Proportional to 2,141.97, 3,212.96 and 602.97

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Solution

The fourth proportional to 2,141.97, 3,212.96 and 602.97 is: 904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.97 : 3,212.96 = 602.97 : x
  2. Step 2: Convert to fraction form
    2,141.97/3,212.96 = 602.97/x
  3. Step 3: Cross multiply
    2,141.97x = 3,212.96 × 602.97
  4. Step 4: Simplify right side
    2,141.97x = 1,937,318.49
  5. Step 5: Solve for x
    x = 1,937,318.49/2,141.97
  6. Step 6: Final answer
    x = 904.46

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Similar ratio
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1.5x scale

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.