Home / 3,491.35-4,818.05-1,999.26

Finding the Fourth Proportional to 3,491.35, 4,818.05 and 1,999.26

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Solution

The fourth proportional to 3,491.35, 4,818.05 and 1,999.26 is: 2,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.35 : 4,818.05 = 1,999.26 : x
  2. Step 2: Convert to fraction form
    3,491.35/4,818.05 = 1,999.26/x
  3. Step 3: Cross multiply
    3,491.35x = 4,818.05 × 1,999.26
  4. Step 4: Simplify right side
    3,491.35x = 9,632,524.65
  5. Step 5: Solve for x
    x = 9,632,524.65/3,491.35
  6. Step 6: Final answer
    x = 2,758.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.