Home / 2,408.08-3,617.16-2,139.88

Finding the Fourth Proportional to 2,408.08, 3,617.16 and 2,139.88

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Solution

The fourth proportional to 2,408.08, 3,617.16 and 2,139.88 is: 3,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.08 : 3,617.16 = 2,139.88 : x
  2. Step 2: Convert to fraction form
    2,408.08/3,617.16 = 2,139.88/x
  3. Step 3: Cross multiply
    2,408.08x = 3,617.16 × 2,139.88
  4. Step 4: Simplify right side
    2,408.08x = 7,740,288.34
  5. Step 5: Solve for x
    x = 7,740,288.34/2,408.08
  6. Step 6: Final answer
    x = 3,214.30

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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.