Home / 3,976.24-5,487.20-2,383.18

Finding the Fourth Proportional to 3,976.24, 5,487.20 and 2,383.18

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Solution

The fourth proportional to 3,976.24, 5,487.20 and 2,383.18 is: 3,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.24 : 5,487.20 = 2,383.18 : x
  2. Step 2: Convert to fraction form
    3,976.24/5,487.20 = 2,383.18/x
  3. Step 3: Cross multiply
    3,976.24x = 5,487.20 × 2,383.18
  4. Step 4: Simplify right side
    3,976.24x = 13,076,985.30
  5. Step 5: Solve for x
    x = 13,076,985.30/3,976.24
  6. Step 6: Final answer
    x = 3,288.78

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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.