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Finding the Fourth Proportional to 2,755.23, 4,133.25 and 807.18

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Solution

The fourth proportional to 2,755.23, 4,133.25 and 807.18 is: 1,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.23 : 4,133.25 = 807.18 : x
  2. Step 2: Convert to fraction form
    2,755.23/4,133.25 = 807.18/x
  3. Step 3: Cross multiply
    2,755.23x = 4,133.25 × 807.18
  4. Step 4: Simplify right side
    2,755.23x = 3,336,276.74
  5. Step 5: Solve for x
    x = 3,336,276.74/2,755.23
  6. Step 6: Final answer
    x = 1,210.89

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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.