Home / 2,914.08-4,369.75-939.33

Finding the Fourth Proportional to 2,914.08, 4,369.75 and 939.33

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Solution

The fourth proportional to 2,914.08, 4,369.75 and 939.33 is: 1,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.08 : 4,369.75 = 939.33 : x
  2. Step 2: Convert to fraction form
    2,914.08/4,369.75 = 939.33/x
  3. Step 3: Cross multiply
    2,914.08x = 4,369.75 × 939.33
  4. Step 4: Simplify right side
    2,914.08x = 4,104,634.92
  5. Step 5: Solve for x
    x = 4,104,634.92/2,914.08
  6. Step 6: Final answer
    x = 1,408.55

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1.5x scale

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.