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Finding the Fourth Proportional to 2,001.24, 3,002.33 and 685.06

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Solution

The fourth proportional to 2,001.24, 3,002.33 and 685.06 is: 1,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.24 : 3,002.33 = 685.06 : x
  2. Step 2: Convert to fraction form
    2,001.24/3,002.33 = 685.06/x
  3. Step 3: Cross multiply
    2,001.24x = 3,002.33 × 685.06
  4. Step 4: Simplify right side
    2,001.24x = 2,056,770.40
  5. Step 5: Solve for x
    x = 2,056,770.40/2,001.24
  6. Step 6: Final answer
    x = 1,027.75

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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.