Home / 3,066.30-4,232.79-1,947.30

Finding the Fourth Proportional to 3,066.30, 4,232.79 and 1,947.30

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Solution

The fourth proportional to 3,066.30, 4,232.79 and 1,947.30 is: 2,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.30 : 4,232.79 = 1,947.30 : x
  2. Step 2: Convert to fraction form
    3,066.30/4,232.79 = 1,947.30/x
  3. Step 3: Cross multiply
    3,066.30x = 4,232.79 × 1,947.30
  4. Step 4: Simplify right side
    3,066.30x = 8,242,511.97
  5. Step 5: Solve for x
    x = 8,242,511.97/3,066.30
  6. Step 6: Final answer
    x = 2,688.10

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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.