Home / 3,968.64-5,476.63-2,200.23

Finding the Fourth Proportional to 3,968.64, 5,476.63 and 2,200.23

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Solution

The fourth proportional to 3,968.64, 5,476.63 and 2,200.23 is: 3,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.64 : 5,476.63 = 2,200.23 : x
  2. Step 2: Convert to fraction form
    3,968.64/5,476.63 = 2,200.23/x
  3. Step 3: Cross multiply
    3,968.64x = 5,476.63 × 2,200.23
  4. Step 4: Simplify right side
    3,968.64x = 12,049,845.62
  5. Step 5: Solve for x
    x = 12,049,845.62/3,968.64
  6. Step 6: Final answer
    x = 3,036.27

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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.