Home / 3,968.58-5,476.68-2,200.35

Finding the Fourth Proportional to 3,968.58, 5,476.68 and 2,200.35

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Solution

The fourth proportional to 3,968.58, 5,476.68 and 2,200.35 is: 3,036.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.58 : 5,476.68 = 2,200.35 : x
  2. Step 2: Convert to fraction form
    3,968.58/5,476.68 = 2,200.35/x
  3. Step 3: Cross multiply
    3,968.58x = 5,476.68 × 2,200.35
  4. Step 4: Simplify right side
    3,968.58x = 12,050,612.84
  5. Step 5: Solve for x
    x = 12,050,612.84/3,968.58
  6. Step 6: Final answer
    x = 3,036.50

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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.