Home / 2,939.06-4,401.87-1,909.94

Finding the Fourth Proportional to 2,939.06, 4,401.87 and 1,909.94

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Solution

The fourth proportional to 2,939.06, 4,401.87 and 1,909.94 is: 2,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.06 : 4,401.87 = 1,909.94 : x
  2. Step 2: Convert to fraction form
    2,939.06/4,401.87 = 1,909.94/x
  3. Step 3: Cross multiply
    2,939.06x = 4,401.87 × 1,909.94
  4. Step 4: Simplify right side
    2,939.06x = 8,407,307.59
  5. Step 5: Solve for x
    x = 8,407,307.59/2,939.06
  6. Step 6: Final answer
    x = 2,860.54

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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.