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Finding the Fourth Proportional to 2,883.34, 3,979.02 and 1,624.41

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Solution

The fourth proportional to 2,883.34, 3,979.02 and 1,624.41 is: 2,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.34 : 3,979.02 = 1,624.41 : x
  2. Step 2: Convert to fraction form
    2,883.34/3,979.02 = 1,624.41/x
  3. Step 3: Cross multiply
    2,883.34x = 3,979.02 × 1,624.41
  4. Step 4: Simplify right side
    2,883.34x = 6,463,535.48
  5. Step 5: Solve for x
    x = 6,463,535.48/2,883.34
  6. Step 6: Final answer
    x = 2,241.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.