Home / 3,581.65-4,942.70-2,009.76

Finding the Fourth Proportional to 3,581.65, 4,942.70 and 2,009.76

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Solution

The fourth proportional to 3,581.65, 4,942.70 and 2,009.76 is: 2,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.65 : 4,942.70 = 2,009.76 : x
  2. Step 2: Convert to fraction form
    3,581.65/4,942.70 = 2,009.76/x
  3. Step 3: Cross multiply
    3,581.65x = 4,942.70 × 2,009.76
  4. Step 4: Simplify right side
    3,581.65x = 9,933,640.75
  5. Step 5: Solve for x
    x = 9,933,640.75/3,581.65
  6. Step 6: Final answer
    x = 2,773.48

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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.