Home / 3,408.30-5,108.40-2,541.60

Finding the Fourth Proportional to 3,408.30, 5,108.40 and 2,541.60

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Solution

The fourth proportional to 3,408.30, 5,108.40 and 2,541.60 is: 3,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.30 : 5,108.40 = 2,541.60 : x
  2. Step 2: Convert to fraction form
    3,408.30/5,108.40 = 2,541.60/x
  3. Step 3: Cross multiply
    3,408.30x = 5,108.40 × 2,541.60
  4. Step 4: Simplify right side
    3,408.30x = 12,983,509.44
  5. Step 5: Solve for x
    x = 12,983,509.44/3,408.30
  6. Step 6: Final answer
    x = 3,809.38

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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.