Home / 2,909.73-4,362.39-1,449.91

Finding the Fourth Proportional to 2,909.73, 4,362.39 and 1,449.91

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Solution

The fourth proportional to 2,909.73, 4,362.39 and 1,449.91 is: 2,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.73 : 4,362.39 = 1,449.91 : x
  2. Step 2: Convert to fraction form
    2,909.73/4,362.39 = 1,449.91/x
  3. Step 3: Cross multiply
    2,909.73x = 4,362.39 × 1,449.91
  4. Step 4: Simplify right side
    2,909.73x = 6,325,072.88
  5. Step 5: Solve for x
    x = 6,325,072.88/2,909.73
  6. Step 6: Final answer
    x = 2,173.77

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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.