Home / 3,704.32-5,112.68-2,379.70

Finding the Fourth Proportional to 3,704.32, 5,112.68 and 2,379.70

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Solution

The fourth proportional to 3,704.32, 5,112.68 and 2,379.70 is: 3,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.32 : 5,112.68 = 2,379.70 : x
  2. Step 2: Convert to fraction form
    3,704.32/5,112.68 = 2,379.70/x
  3. Step 3: Cross multiply
    3,704.32x = 5,112.68 × 2,379.70
  4. Step 4: Simplify right side
    3,704.32x = 12,166,644.60
  5. Step 5: Solve for x
    x = 12,166,644.60/3,704.32
  6. Step 6: Final answer
    x = 3,284.45

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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.