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Finding the Fourth Proportional to 2,068.39, 3,102.54 and 607.56

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Solution

The fourth proportional to 2,068.39, 3,102.54 and 607.56 is: 911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.39 : 3,102.54 = 607.56 : x
  2. Step 2: Convert to fraction form
    2,068.39/3,102.54 = 607.56/x
  3. Step 3: Cross multiply
    2,068.39x = 3,102.54 × 607.56
  4. Step 4: Simplify right side
    2,068.39x = 1,884,979.20
  5. Step 5: Solve for x
    x = 1,884,979.20/2,068.39
  6. Step 6: Final answer
    x = 911.33

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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.