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Finding the Fourth Proportional to 1,928.02, 2,892.48 and 832.49

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Solution

The fourth proportional to 1,928.02, 2,892.48 and 832.49 is: 1,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.02 : 2,892.48 = 832.49 : x
  2. Step 2: Convert to fraction form
    1,928.02/2,892.48 = 832.49/x
  3. Step 3: Cross multiply
    1,928.02x = 2,892.48 × 832.49
  4. Step 4: Simplify right side
    1,928.02x = 2,407,960.68
  5. Step 5: Solve for x
    x = 2,407,960.68/1,928.02
  6. Step 6: Final answer
    x = 1,248.93

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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.