Home / 3,651.36-5,476.80-1,571.28

Finding the Fourth Proportional to 3,651.36, 5,476.80 and 1,571.28

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Solution

The fourth proportional to 3,651.36, 5,476.80 and 1,571.28 is: 2,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.36 : 5,476.80 = 1,571.28 : x
  2. Step 2: Convert to fraction form
    3,651.36/5,476.80 = 1,571.28/x
  3. Step 3: Cross multiply
    3,651.36x = 5,476.80 × 1,571.28
  4. Step 4: Simplify right side
    3,651.36x = 8,605,586.30
  5. Step 5: Solve for x
    x = 8,605,586.30/3,651.36
  6. Step 6: Final answer
    x = 2,356.82

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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.