Home / 3,231.87-4,847.81-1,284.06

Finding the Fourth Proportional to 3,231.87, 4,847.81 and 1,284.06

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Solution

The fourth proportional to 3,231.87, 4,847.81 and 1,284.06 is: 1,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.87 : 4,847.81 = 1,284.06 : x
  2. Step 2: Convert to fraction form
    3,231.87/4,847.81 = 1,284.06/x
  3. Step 3: Cross multiply
    3,231.87x = 4,847.81 × 1,284.06
  4. Step 4: Simplify right side
    3,231.87x = 6,224,894.24
  5. Step 5: Solve for x
    x = 6,224,894.24/3,231.87
  6. Step 6: Final answer
    x = 1,926.10

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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.