Home / 3,563.24-4,917.28-1,991.36

Finding the Fourth Proportional to 3,563.24, 4,917.28 and 1,991.36

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Solution

The fourth proportional to 3,563.24, 4,917.28 and 1,991.36 is: 2,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.24 : 4,917.28 = 1,991.36 : x
  2. Step 2: Convert to fraction form
    3,563.24/4,917.28 = 1,991.36/x
  3. Step 3: Cross multiply
    3,563.24x = 4,917.28 × 1,991.36
  4. Step 4: Simplify right side
    3,563.24x = 9,792,045.14
  5. Step 5: Solve for x
    x = 9,792,045.14/3,563.24
  6. Step 6: Final answer
    x = 2,748.08

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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.