Home / 4,056.82-6,080.87-1,978.22

Finding the Fourth Proportional to 4,056.82, 6,080.87 and 1,978.22

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Solution

The fourth proportional to 4,056.82, 6,080.87 and 1,978.22 is: 2,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,056.82 : 6,080.87 = 1,978.22 : x
  2. Step 2: Convert to fraction form
    4,056.82/6,080.87 = 1,978.22/x
  3. Step 3: Cross multiply
    4,056.82x = 6,080.87 × 1,978.22
  4. Step 4: Simplify right side
    4,056.82x = 12,029,318.80
  5. Step 5: Solve for x
    x = 12,029,318.80/4,056.82
  6. Step 6: Final answer
    x = 2,965.21

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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.