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Finding the Fourth Proportional to 1,093.95, 1,641.56 and 606.96

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Solution

The fourth proportional to 1,093.95, 1,641.56 and 606.96 is: 910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.95 : 1,641.56 = 606.96 : x
  2. Step 2: Convert to fraction form
    1,093.95/1,641.56 = 606.96/x
  3. Step 3: Cross multiply
    1,093.95x = 1,641.56 × 606.96
  4. Step 4: Simplify right side
    1,093.95x = 996,358.22
  5. Step 5: Solve for x
    x = 996,358.22/1,093.95
  6. Step 6: Final answer
    x = 910.79

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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.