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Finding the Fourth Proportional to 1,628.98, 2,248.77 and 930.22

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Solution

The fourth proportional to 1,628.98, 2,248.77 and 930.22 is: 1,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.98 : 2,248.77 = 930.22 : x
  2. Step 2: Convert to fraction form
    1,628.98/2,248.77 = 930.22/x
  3. Step 3: Cross multiply
    1,628.98x = 2,248.77 × 930.22
  4. Step 4: Simplify right side
    1,628.98x = 2,091,850.83
  5. Step 5: Solve for x
    x = 2,091,850.83/1,628.98
  6. Step 6: Final answer
    x = 1,284.15

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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.