Home / 3,129.08-4,314.21-2,008.04

Finding the Fourth Proportional to 3,129.08, 4,314.21 and 2,008.04

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Solution

The fourth proportional to 3,129.08, 4,314.21 and 2,008.04 is: 2,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.08 : 4,314.21 = 2,008.04 : x
  2. Step 2: Convert to fraction form
    3,129.08/4,314.21 = 2,008.04/x
  3. Step 3: Cross multiply
    3,129.08x = 4,314.21 × 2,008.04
  4. Step 4: Simplify right side
    3,129.08x = 8,663,106.25
  5. Step 5: Solve for x
    x = 8,663,106.25/3,129.08
  6. Step 6: Final answer
    x = 2,768.58

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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.