Home / 3,678.25-5,519.21-2,291.24

Finding the Fourth Proportional to 3,678.25, 5,519.21 and 2,291.24

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Solution

The fourth proportional to 3,678.25, 5,519.21 and 2,291.24 is: 3,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.25 : 5,519.21 = 2,291.24 : x
  2. Step 2: Convert to fraction form
    3,678.25/5,519.21 = 2,291.24/x
  3. Step 3: Cross multiply
    3,678.25x = 5,519.21 × 2,291.24
  4. Step 4: Simplify right side
    3,678.25x = 12,645,834.72
  5. Step 5: Solve for x
    x = 12,645,834.72/3,678.25
  6. Step 6: Final answer
    x = 3,438.00

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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.