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Finding the Fourth Proportional to 2,001.99, 3,002.99 and 1,382.31

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Solution

The fourth proportional to 2,001.99, 3,002.99 and 1,382.31 is: 2,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.99 : 3,002.99 = 1,382.31 : x
  2. Step 2: Convert to fraction form
    2,001.99/3,002.99 = 1,382.31/x
  3. Step 3: Cross multiply
    2,001.99x = 3,002.99 × 1,382.31
  4. Step 4: Simplify right side
    2,001.99x = 4,151,056.20
  5. Step 5: Solve for x
    x = 4,151,056.20/2,001.99
  6. Step 6: Final answer
    x = 2,073.47

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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.