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Finding the Fourth Proportional to 2,001.07, 3,001.38 and 540.01

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Solution

The fourth proportional to 2,001.07, 3,001.38 and 540.01 is: 809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.07 : 3,001.38 = 540.01 : x
  2. Step 2: Convert to fraction form
    2,001.07/3,001.38 = 540.01/x
  3. Step 3: Cross multiply
    2,001.07x = 3,001.38 × 540.01
  4. Step 4: Simplify right side
    2,001.07x = 1,620,775.21
  5. Step 5: Solve for x
    x = 1,620,775.21/2,001.07
  6. Step 6: Final answer
    x = 809.95

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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.