Home / 2,975.32-4,469.82-2,099.84

Finding the Fourth Proportional to 2,975.32, 4,469.82 and 2,099.84

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Solution

The fourth proportional to 2,975.32, 4,469.82 and 2,099.84 is: 3,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.32 : 4,469.82 = 2,099.84 : x
  2. Step 2: Convert to fraction form
    2,975.32/4,469.82 = 2,099.84/x
  3. Step 3: Cross multiply
    2,975.32x = 4,469.82 × 2,099.84
  4. Step 4: Simplify right side
    2,975.32x = 9,385,876.61
  5. Step 5: Solve for x
    x = 9,385,876.61/2,975.32
  6. Step 6: Final answer
    x = 3,154.58

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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.