Home / 3,100.08-4,650.10-2,551.11

Finding the Fourth Proportional to 3,100.08, 4,650.10 and 2,551.11

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Solution

The fourth proportional to 3,100.08, 4,650.10 and 2,551.11 is: 3,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.08 : 4,650.10 = 2,551.11 : x
  2. Step 2: Convert to fraction form
    3,100.08/4,650.10 = 2,551.11/x
  3. Step 3: Cross multiply
    3,100.08x = 4,650.10 × 2,551.11
  4. Step 4: Simplify right side
    3,100.08x = 11,862,916.61
  5. Step 5: Solve for x
    x = 11,862,916.61/3,100.08
  6. Step 6: Final answer
    x = 3,826.65

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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.