Home / 2,891.06-4,334.96-1,967.86

Finding the Fourth Proportional to 2,891.06, 4,334.96 and 1,967.86

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Solution

The fourth proportional to 2,891.06, 4,334.96 and 1,967.86 is: 2,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.06 : 4,334.96 = 1,967.86 : x
  2. Step 2: Convert to fraction form
    2,891.06/4,334.96 = 1,967.86/x
  3. Step 3: Cross multiply
    2,891.06x = 4,334.96 × 1,967.86
  4. Step 4: Simplify right side
    2,891.06x = 8,530,588.47
  5. Step 5: Solve for x
    x = 8,530,588.47/2,891.06
  6. Step 6: Final answer
    x = 2,950.68

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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.