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Finding the Fourth Proportional to 3,009.44, 4,502.87 and 2,489.69

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Solution

The fourth proportional to 3,009.44, 4,502.87 and 2,489.69 is: 3,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.44 : 4,502.87 = 2,489.69 : x
  2. Step 2: Convert to fraction form
    3,009.44/4,502.87 = 2,489.69/x
  3. Step 3: Cross multiply
    3,009.44x = 4,502.87 × 2,489.69
  4. Step 4: Simplify right side
    3,009.44x = 11,210,750.41
  5. Step 5: Solve for x
    x = 11,210,750.41/3,009.44
  6. Step 6: Final answer
    x = 3,725.19

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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.