Home / 3,953.59-5,455.27-2,274.79

Finding the Fourth Proportional to 3,953.59, 5,455.27 and 2,274.79

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Solution

The fourth proportional to 3,953.59, 5,455.27 and 2,274.79 is: 3,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.59 : 5,455.27 = 2,274.79 : x
  2. Step 2: Convert to fraction form
    3,953.59/5,455.27 = 2,274.79/x
  3. Step 3: Cross multiply
    3,953.59x = 5,455.27 × 2,274.79
  4. Step 4: Simplify right side
    3,953.59x = 12,409,593.64
  5. Step 5: Solve for x
    x = 12,409,593.64/3,953.59
  6. Step 6: Final answer
    x = 3,138.82

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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.