Home / 2,958.29-4,438.70-1,109.19

Finding the Fourth Proportional to 2,958.29, 4,438.70 and 1,109.19

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Solution

The fourth proportional to 2,958.29, 4,438.70 and 1,109.19 is: 1,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.29 : 4,438.70 = 1,109.19 : x
  2. Step 2: Convert to fraction form
    2,958.29/4,438.70 = 1,109.19/x
  3. Step 3: Cross multiply
    2,958.29x = 4,438.70 × 1,109.19
  4. Step 4: Simplify right side
    2,958.29x = 4,923,376.91
  5. Step 5: Solve for x
    x = 4,923,376.91/2,958.29
  6. Step 6: Final answer
    x = 1,664.27

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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.