Home / 2,958.75-4,438.88-1,109.87

Finding the Fourth Proportional to 2,958.75, 4,438.88 and 1,109.87

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Solution

The fourth proportional to 2,958.75, 4,438.88 and 1,109.87 is: 1,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.75 : 4,438.88 = 1,109.87 : x
  2. Step 2: Convert to fraction form
    2,958.75/4,438.88 = 1,109.87/x
  3. Step 3: Cross multiply
    2,958.75x = 4,438.88 × 1,109.87
  4. Step 4: Simplify right side
    2,958.75x = 4,926,579.75
  5. Step 5: Solve for x
    x = 4,926,579.75/2,958.75
  6. Step 6: Final answer
    x = 1,665.09

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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.