Home / 3,816.80-5,265.24-2,243.36

Finding the Fourth Proportional to 3,816.80, 5,265.24 and 2,243.36

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Solution

The fourth proportional to 3,816.80, 5,265.24 and 2,243.36 is: 3,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.80 : 5,265.24 = 2,243.36 : x
  2. Step 2: Convert to fraction form
    3,816.80/5,265.24 = 2,243.36/x
  3. Step 3: Cross multiply
    3,816.80x = 5,265.24 × 2,243.36
  4. Step 4: Simplify right side
    3,816.80x = 11,811,828.81
  5. Step 5: Solve for x
    x = 11,811,828.81/3,816.80
  6. Step 6: Final answer
    x = 3,094.69

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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.