Home / 2,869.45-4,305.99-1,226.01

Finding the Fourth Proportional to 2,869.45, 4,305.99 and 1,226.01

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Solution

The fourth proportional to 2,869.45, 4,305.99 and 1,226.01 is: 1,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.45 : 4,305.99 = 1,226.01 : x
  2. Step 2: Convert to fraction form
    2,869.45/4,305.99 = 1,226.01/x
  3. Step 3: Cross multiply
    2,869.45x = 4,305.99 × 1,226.01
  4. Step 4: Simplify right side
    2,869.45x = 5,279,165.27
  5. Step 5: Solve for x
    x = 5,279,165.27/2,869.45
  6. Step 6: Final answer
    x = 1,839.78

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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.