Home / 3,271.10-4,906.65-2,579.90

Finding the Fourth Proportional to 3,271.10, 4,906.65 and 2,579.90

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Solution

The fourth proportional to 3,271.10, 4,906.65 and 2,579.90 is: 3,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.10 : 4,906.65 = 2,579.90 : x
  2. Step 2: Convert to fraction form
    3,271.10/4,906.65 = 2,579.90/x
  3. Step 3: Cross multiply
    3,271.10x = 4,906.65 × 2,579.90
  4. Step 4: Simplify right side
    3,271.10x = 12,658,666.34
  5. Step 5: Solve for x
    x = 12,658,666.34/3,271.10
  6. Step 6: Final answer
    x = 3,869.85

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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.