Home / 3,972.64-5,481.04-2,293.84

Finding the Fourth Proportional to 3,972.64, 5,481.04 and 2,293.84

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Solution

The fourth proportional to 3,972.64, 5,481.04 and 2,293.84 is: 3,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.64 : 5,481.04 = 2,293.84 : x
  2. Step 2: Convert to fraction form
    3,972.64/5,481.04 = 2,293.84/x
  3. Step 3: Cross multiply
    3,972.64x = 5,481.04 × 2,293.84
  4. Step 4: Simplify right side
    3,972.64x = 12,572,628.79
  5. Step 5: Solve for x
    x = 12,572,628.79/3,972.64
  6. Step 6: Final answer
    x = 3,164.80

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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.