Home / 2,841.06-4,261.32-991.83

Finding the Fourth Proportional to 2,841.06, 4,261.32 and 991.83

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Solution

The fourth proportional to 2,841.06, 4,261.32 and 991.83 is: 1,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.06 : 4,261.32 = 991.83 : x
  2. Step 2: Convert to fraction form
    2,841.06/4,261.32 = 991.83/x
  3. Step 3: Cross multiply
    2,841.06x = 4,261.32 × 991.83
  4. Step 4: Simplify right side
    2,841.06x = 4,226,505.02
  5. Step 5: Solve for x
    x = 4,226,505.02/2,841.06
  6. Step 6: Final answer
    x = 1,487.65

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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.