Home / 3,299.70-4,949.55-2,070.90

Finding the Fourth Proportional to 3,299.70, 4,949.55 and 2,070.90

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Solution

The fourth proportional to 3,299.70, 4,949.55 and 2,070.90 is: 3,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.70 : 4,949.55 = 2,070.90 : x
  2. Step 2: Convert to fraction form
    3,299.70/4,949.55 = 2,070.90/x
  3. Step 3: Cross multiply
    3,299.70x = 4,949.55 × 2,070.90
  4. Step 4: Simplify right side
    3,299.70x = 10,250,023.10
  5. Step 5: Solve for x
    x = 10,250,023.10/3,299.70
  6. Step 6: Final answer
    x = 3,106.35

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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.