Home / 3,969.23-5,477.65-2,200.84

Finding the Fourth Proportional to 3,969.23, 5,477.65 and 2,200.84

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Solution

The fourth proportional to 3,969.23, 5,477.65 and 2,200.84 is: 3,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.23 : 5,477.65 = 2,200.84 : x
  2. Step 2: Convert to fraction form
    3,969.23/5,477.65 = 2,200.84/x
  3. Step 3: Cross multiply
    3,969.23x = 5,477.65 × 2,200.84
  4. Step 4: Simplify right side
    3,969.23x = 12,055,412.03
  5. Step 5: Solve for x
    x = 12,055,412.03/3,969.23
  6. Step 6: Final answer
    x = 3,037.22

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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.