Home / 3,969.17-5,477.39-2,200.80

Finding the Fourth Proportional to 3,969.17, 5,477.39 and 2,200.80

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Solution

The fourth proportional to 3,969.17, 5,477.39 and 2,200.80 is: 3,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.17 : 5,477.39 = 2,200.80 : x
  2. Step 2: Convert to fraction form
    3,969.17/5,477.39 = 2,200.80/x
  3. Step 3: Cross multiply
    3,969.17x = 5,477.39 × 2,200.80
  4. Step 4: Simplify right side
    3,969.17x = 12,054,628.91
  5. Step 5: Solve for x
    x = 12,054,628.91/3,969.17
  6. Step 6: Final answer
    x = 3,037.07

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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.