Home / 3,299.70-4,553.61-1,902.45

Finding the Fourth Proportional to 3,299.70, 4,553.61 and 1,902.45

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Solution

The fourth proportional to 3,299.70, 4,553.61 and 1,902.45 is: 2,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.70 : 4,553.61 = 1,902.45 : x
  2. Step 2: Convert to fraction form
    3,299.70/4,553.61 = 1,902.45/x
  3. Step 3: Cross multiply
    3,299.70x = 4,553.61 × 1,902.45
  4. Step 4: Simplify right side
    3,299.70x = 8,663,015.34
  5. Step 5: Solve for x
    x = 8,663,015.34/3,299.70
  6. Step 6: Final answer
    x = 2,625.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.