Home / 3,685.47-5,524.94-2,642.85

Finding the Fourth Proportional to 3,685.47, 5,524.94 and 2,642.85

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Solution

The fourth proportional to 3,685.47, 5,524.94 and 2,642.85 is: 3,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.47 : 5,524.94 = 2,642.85 : x
  2. Step 2: Convert to fraction form
    3,685.47/5,524.94 = 2,642.85/x
  3. Step 3: Cross multiply
    3,685.47x = 5,524.94 × 2,642.85
  4. Step 4: Simplify right side
    3,685.47x = 14,601,609.83
  5. Step 5: Solve for x
    x = 14,601,609.83/3,685.47
  6. Step 6: Final answer
    x = 3,961.93

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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.