Home / 2,961.96-4,449.20-1,867.09

Finding the Fourth Proportional to 2,961.96, 4,449.20 and 1,867.09

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Solution

The fourth proportional to 2,961.96, 4,449.20 and 1,867.09 is: 2,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.96 : 4,449.20 = 1,867.09 : x
  2. Step 2: Convert to fraction form
    2,961.96/4,449.20 = 1,867.09/x
  3. Step 3: Cross multiply
    2,961.96x = 4,449.20 × 1,867.09
  4. Step 4: Simplify right side
    2,961.96x = 8,307,056.83
  5. Step 5: Solve for x
    x = 8,307,056.83/2,961.96
  6. Step 6: Final answer
    x = 2,804.58

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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.