Home / 3,103.81-4,651.16-2,320.13

Finding the Fourth Proportional to 3,103.81, 4,651.16 and 2,320.13

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Solution

The fourth proportional to 3,103.81, 4,651.16 and 2,320.13 is: 3,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.81 : 4,651.16 = 2,320.13 : x
  2. Step 2: Convert to fraction form
    3,103.81/4,651.16 = 2,320.13/x
  3. Step 3: Cross multiply
    3,103.81x = 4,651.16 × 2,320.13
  4. Step 4: Simplify right side
    3,103.81x = 10,791,295.88
  5. Step 5: Solve for x
    x = 10,791,295.88/3,103.81
  6. Step 6: Final answer
    x = 3,476.79

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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.