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Finding the Fourth Proportional to 2,473.06, 3,709.61 and 741.69

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Solution

The fourth proportional to 2,473.06, 3,709.61 and 741.69 is: 1,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.06 : 3,709.61 = 741.69 : x
  2. Step 2: Convert to fraction form
    2,473.06/3,709.61 = 741.69/x
  3. Step 3: Cross multiply
    2,473.06x = 3,709.61 × 741.69
  4. Step 4: Simplify right side
    2,473.06x = 2,751,380.64
  5. Step 5: Solve for x
    x = 2,751,380.64/2,473.06
  6. Step 6: Final answer
    x = 1,112.54

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Why These Related Problems?

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