Home / 3,299.72-4,948.03-1,913.45

Finding the Fourth Proportional to 3,299.72, 4,948.03 and 1,913.45

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Solution

The fourth proportional to 3,299.72, 4,948.03 and 1,913.45 is: 2,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.72 : 4,948.03 = 1,913.45 : x
  2. Step 2: Convert to fraction form
    3,299.72/4,948.03 = 1,913.45/x
  3. Step 3: Cross multiply
    3,299.72x = 4,948.03 × 1,913.45
  4. Step 4: Simplify right side
    3,299.72x = 9,467,773.70
  5. Step 5: Solve for x
    x = 9,467,773.70/3,299.72
  6. Step 6: Final answer
    x = 2,869.27

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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.