Home / 3,816.99-5,721.84-1,475.28

Finding the Fourth Proportional to 3,816.99, 5,721.84 and 1,475.28

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Solution

The fourth proportional to 3,816.99, 5,721.84 and 1,475.28 is: 2,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.99 : 5,721.84 = 1,475.28 : x
  2. Step 2: Convert to fraction form
    3,816.99/5,721.84 = 1,475.28/x
  3. Step 3: Cross multiply
    3,816.99x = 5,721.84 × 1,475.28
  4. Step 4: Simplify right side
    3,816.99x = 8,441,316.12
  5. Step 5: Solve for x
    x = 8,441,316.12/3,816.99
  6. Step 6: Final answer
    x = 2,211.51

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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.