Home / 3,927.83-5,420.72-2,249.77

Finding the Fourth Proportional to 3,927.83, 5,420.72 and 2,249.77

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Solution

The fourth proportional to 3,927.83, 5,420.72 and 2,249.77 is: 3,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.83 : 5,420.72 = 2,249.77 : x
  2. Step 2: Convert to fraction form
    3,927.83/5,420.72 = 2,249.77/x
  3. Step 3: Cross multiply
    3,927.83x = 5,420.72 × 2,249.77
  4. Step 4: Simplify right side
    3,927.83x = 12,195,373.23
  5. Step 5: Solve for x
    x = 12,195,373.23/3,927.83
  6. Step 6: Final answer
    x = 3,104.86

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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.