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Finding the Fourth Proportional to 2,165.14, 3,244.47 and 2,003.14

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Solution

The fourth proportional to 2,165.14, 3,244.47 and 2,003.14 is: 3,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.14 : 3,244.47 = 2,003.14 : x
  2. Step 2: Convert to fraction form
    2,165.14/3,244.47 = 2,003.14/x
  3. Step 3: Cross multiply
    2,165.14x = 3,244.47 × 2,003.14
  4. Step 4: Simplify right side
    2,165.14x = 6,499,127.64
  5. Step 5: Solve for x
    x = 6,499,127.64/2,165.14
  6. Step 6: Final answer
    x = 3,001.71

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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.