Home / 3,901.30-5,380.77-2,327.74

Finding the Fourth Proportional to 3,901.30, 5,380.77 and 2,327.74

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Solution

The fourth proportional to 3,901.30, 5,380.77 and 2,327.74 is: 3,210.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.30 : 5,380.77 = 2,327.74 : x
  2. Step 2: Convert to fraction form
    3,901.30/5,380.77 = 2,327.74/x
  3. Step 3: Cross multiply
    3,901.30x = 5,380.77 × 2,327.74
  4. Step 4: Simplify right side
    3,901.30x = 12,525,033.56
  5. Step 5: Solve for x
    x = 12,525,033.56/3,901.30
  6. Step 6: Final answer
    x = 3,210.48

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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.