Home / 3,327.30-4,987.62-1,678.86

Finding the Fourth Proportional to 3,327.30, 4,987.62 and 1,678.86

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Solution

The fourth proportional to 3,327.30, 4,987.62 and 1,678.86 is: 2,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.30 : 4,987.62 = 1,678.86 : x
  2. Step 2: Convert to fraction form
    3,327.30/4,987.62 = 1,678.86/x
  3. Step 3: Cross multiply
    3,327.30x = 4,987.62 × 1,678.86
  4. Step 4: Simplify right side
    3,327.30x = 8,373,515.71
  5. Step 5: Solve for x
    x = 8,373,515.71/3,327.30
  6. Step 6: Final answer
    x = 2,516.61

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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.