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Finding the Fourth Proportional to 2,795.38, 4,193.06 and 715.39

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Solution

The fourth proportional to 2,795.38, 4,193.06 and 715.39 is: 1,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.38 : 4,193.06 = 715.39 : x
  2. Step 2: Convert to fraction form
    2,795.38/4,193.06 = 715.39/x
  3. Step 3: Cross multiply
    2,795.38x = 4,193.06 × 715.39
  4. Step 4: Simplify right side
    2,795.38x = 2,999,673.19
  5. Step 5: Solve for x
    x = 2,999,673.19/2,795.38
  6. Step 6: Final answer
    x = 1,073.08

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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.