Home / 3,755.10-5,182.11-2,319.78

Finding the Fourth Proportional to 3,755.10, 5,182.11 and 2,319.78

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Solution

The fourth proportional to 3,755.10, 5,182.11 and 2,319.78 is: 3,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.10 : 5,182.11 = 2,319.78 : x
  2. Step 2: Convert to fraction form
    3,755.10/5,182.11 = 2,319.78/x
  3. Step 3: Cross multiply
    3,755.10x = 5,182.11 × 2,319.78
  4. Step 4: Simplify right side
    3,755.10x = 12,021,355.14
  5. Step 5: Solve for x
    x = 12,021,355.14/3,755.10
  6. Step 6: Final answer
    x = 3,201.34

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1.5x scale

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.