Home / 3,605.78-5,408.93-1,265.52

Finding the Fourth Proportional to 3,605.78, 5,408.93 and 1,265.52

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Solution

The fourth proportional to 3,605.78, 5,408.93 and 1,265.52 is: 1,898.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.78 : 5,408.93 = 1,265.52 : x
  2. Step 2: Convert to fraction form
    3,605.78/5,408.93 = 1,265.52/x
  3. Step 3: Cross multiply
    3,605.78x = 5,408.93 × 1,265.52
  4. Step 4: Simplify right side
    3,605.78x = 6,845,109.09
  5. Step 5: Solve for x
    x = 6,845,109.09/3,605.78
  6. Step 6: Final answer
    x = 1,898.37

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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.