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Finding the Fourth Proportional to 2,999.89, 4,133.78 and 2,323.62

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Solution

The fourth proportional to 2,999.89, 4,133.78 and 2,323.62 is: 3,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.89 : 4,133.78 = 2,323.62 : x
  2. Step 2: Convert to fraction form
    2,999.89/4,133.78 = 2,323.62/x
  3. Step 3: Cross multiply
    2,999.89x = 4,133.78 × 2,323.62
  4. Step 4: Simplify right side
    2,999.89x = 9,605,301.60
  5. Step 5: Solve for x
    x = 9,605,301.60/2,999.89
  6. Step 6: Final answer
    x = 3,201.88

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1.5x scale

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.