Home / 3,320.67-4,972.14-2,628.75

Finding the Fourth Proportional to 3,320.67, 4,972.14 and 2,628.75

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Solution

The fourth proportional to 3,320.67, 4,972.14 and 2,628.75 is: 3,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.67 : 4,972.14 = 2,628.75 : x
  2. Step 2: Convert to fraction form
    3,320.67/4,972.14 = 2,628.75/x
  3. Step 3: Cross multiply
    3,320.67x = 4,972.14 × 2,628.75
  4. Step 4: Simplify right side
    3,320.67x = 13,070,513.03
  5. Step 5: Solve for x
    x = 13,070,513.03/3,320.67
  6. Step 6: Final answer
    x = 3,936.11

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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.