Home / 2,822.16-4,233.88-1,091.28

Finding the Fourth Proportional to 2,822.16, 4,233.88 and 1,091.28

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Solution

The fourth proportional to 2,822.16, 4,233.88 and 1,091.28 is: 1,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.16 : 4,233.88 = 1,091.28 : x
  2. Step 2: Convert to fraction form
    2,822.16/4,233.88 = 1,091.28/x
  3. Step 3: Cross multiply
    2,822.16x = 4,233.88 × 1,091.28
  4. Step 4: Simplify right side
    2,822.16x = 4,620,348.57
  5. Step 5: Solve for x
    x = 4,620,348.57/2,822.16
  6. Step 6: Final answer
    x = 1,637.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.