Home / 3,508.83-5,263.38-2,131.02

Finding the Fourth Proportional to 3,508.83, 5,263.38 and 2,131.02

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Solution

The fourth proportional to 3,508.83, 5,263.38 and 2,131.02 is: 3,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.83 : 5,263.38 = 2,131.02 : x
  2. Step 2: Convert to fraction form
    3,508.83/5,263.38 = 2,131.02/x
  3. Step 3: Cross multiply
    3,508.83x = 5,263.38 × 2,131.02
  4. Step 4: Simplify right side
    3,508.83x = 11,216,368.05
  5. Step 5: Solve for x
    x = 11,216,368.05/3,508.83
  6. Step 6: Final answer
    x = 3,196.61

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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.