Home / 2,991.48-4,122.42-2,246.28

Finding the Fourth Proportional to 2,991.48, 4,122.42 and 2,246.28

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Solution

The fourth proportional to 2,991.48, 4,122.42 and 2,246.28 is: 3,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.48 : 4,122.42 = 2,246.28 : x
  2. Step 2: Convert to fraction form
    2,991.48/4,122.42 = 2,246.28/x
  3. Step 3: Cross multiply
    2,991.48x = 4,122.42 × 2,246.28
  4. Step 4: Simplify right side
    2,991.48x = 9,260,109.60
  5. Step 5: Solve for x
    x = 9,260,109.60/2,991.48
  6. Step 6: Final answer
    x = 3,095.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.