Home / 3,299.64-4,943.53-1,911.80

Finding the Fourth Proportional to 3,299.64, 4,943.53 and 1,911.80

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Solution

The fourth proportional to 3,299.64, 4,943.53 and 1,911.80 is: 2,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.64 : 4,943.53 = 1,911.80 : x
  2. Step 2: Convert to fraction form
    3,299.64/4,943.53 = 1,911.80/x
  3. Step 3: Cross multiply
    3,299.64x = 4,943.53 × 1,911.80
  4. Step 4: Simplify right side
    3,299.64x = 9,451,055.40
  5. Step 5: Solve for x
    x = 9,451,055.40/3,299.64
  6. Step 6: Final answer
    x = 2,864.27

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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.