Home / 3,515.78-5,262.73-2,214.52

Finding the Fourth Proportional to 3,515.78, 5,262.73 and 2,214.52

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Solution

The fourth proportional to 3,515.78, 5,262.73 and 2,214.52 is: 3,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.78 : 5,262.73 = 2,214.52 : x
  2. Step 2: Convert to fraction form
    3,515.78/5,262.73 = 2,214.52/x
  3. Step 3: Cross multiply
    3,515.78x = 5,262.73 × 2,214.52
  4. Step 4: Simplify right side
    3,515.78x = 11,654,420.84
  5. Step 5: Solve for x
    x = 11,654,420.84/3,515.78
  6. Step 6: Final answer
    x = 3,314.89

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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.