Home / 3,795.78-5,696.40-1,605.12

Finding the Fourth Proportional to 3,795.78, 5,696.40 and 1,605.12

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Solution

The fourth proportional to 3,795.78, 5,696.40 and 1,605.12 is: 2,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.78 : 5,696.40 = 1,605.12 : x
  2. Step 2: Convert to fraction form
    3,795.78/5,696.40 = 1,605.12/x
  3. Step 3: Cross multiply
    3,795.78x = 5,696.40 × 1,605.12
  4. Step 4: Simplify right side
    3,795.78x = 9,143,405.57
  5. Step 5: Solve for x
    x = 9,143,405.57/3,795.78
  6. Step 6: Final answer
    x = 2,408.83

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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.