Home / 2,214.62-3,320.82-1,240.46

Finding the Fourth Proportional to 2,214.62, 3,320.82 and 1,240.46

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Solution

The fourth proportional to 2,214.62, 3,320.82 and 1,240.46 is: 1,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.62 : 3,320.82 = 1,240.46 : x
  2. Step 2: Convert to fraction form
    2,214.62/3,320.82 = 1,240.46/x
  3. Step 3: Cross multiply
    2,214.62x = 3,320.82 × 1,240.46
  4. Step 4: Simplify right side
    2,214.62x = 4,119,344.38
  5. Step 5: Solve for x
    x = 4,119,344.38/2,214.62
  6. Step 6: Final answer
    x = 1,860.07

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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.