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Finding the Fourth Proportional to 2,655.44, 3,982.64 and 2,523.74

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Solution

The fourth proportional to 2,655.44, 3,982.64 and 2,523.74 is: 3,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.44 : 3,982.64 = 2,523.74 : x
  2. Step 2: Convert to fraction form
    2,655.44/3,982.64 = 2,523.74/x
  3. Step 3: Cross multiply
    2,655.44x = 3,982.64 × 2,523.74
  4. Step 4: Simplify right side
    2,655.44x = 10,051,134.27
  5. Step 5: Solve for x
    x = 10,051,134.27/2,655.44
  6. Step 6: Final answer
    x = 3,785.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.