Home / 3,976.83-5,487.62-2,208.24

Finding the Fourth Proportional to 3,976.83, 5,487.62 and 2,208.24

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Solution

The fourth proportional to 3,976.83, 5,487.62 and 2,208.24 is: 3,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.83 : 5,487.62 = 2,208.24 : x
  2. Step 2: Convert to fraction form
    3,976.83/5,487.62 = 2,208.24/x
  3. Step 3: Cross multiply
    3,976.83x = 5,487.62 × 2,208.24
  4. Step 4: Simplify right side
    3,976.83x = 12,117,970.95
  5. Step 5: Solve for x
    x = 12,117,970.95/3,976.83
  6. Step 6: Final answer
    x = 3,047.14

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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.