Home / 4,144.80-6,211.92-1,948.68

Finding the Fourth Proportional to 4,144.80, 6,211.92 and 1,948.68

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Solution

The fourth proportional to 4,144.80, 6,211.92 and 1,948.68 is: 2,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.80 : 6,211.92 = 1,948.68 : x
  2. Step 2: Convert to fraction form
    4,144.80/6,211.92 = 1,948.68/x
  3. Step 3: Cross multiply
    4,144.80x = 6,211.92 × 1,948.68
  4. Step 4: Simplify right side
    4,144.80x = 12,105,044.27
  5. Step 5: Solve for x
    x = 12,105,044.27/4,144.80
  6. Step 6: Final answer
    x = 2,920.54

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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.