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Finding the Fourth Proportional to 1,769.37, 2,436.14 and 1,348.37

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Solution

The fourth proportional to 1,769.37, 2,436.14 and 1,348.37 is: 1,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.37 : 2,436.14 = 1,348.37 : x
  2. Step 2: Convert to fraction form
    1,769.37/2,436.14 = 1,348.37/x
  3. Step 3: Cross multiply
    1,769.37x = 2,436.14 × 1,348.37
  4. Step 4: Simplify right side
    1,769.37x = 3,284,799.17
  5. Step 5: Solve for x
    x = 3,284,799.17/1,769.37
  6. Step 6: Final answer
    x = 1,856.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.