Home / 2,724.36-4,080.60-2,136.30

Finding the Fourth Proportional to 2,724.36, 4,080.60 and 2,136.30

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Solution

The fourth proportional to 2,724.36, 4,080.60 and 2,136.30 is: 3,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.36 : 4,080.60 = 2,136.30 : x
  2. Step 2: Convert to fraction form
    2,724.36/4,080.60 = 2,136.30/x
  3. Step 3: Cross multiply
    2,724.36x = 4,080.60 × 2,136.30
  4. Step 4: Simplify right side
    2,724.36x = 8,717,385.78
  5. Step 5: Solve for x
    x = 8,717,385.78/2,724.36
  6. Step 6: Final answer
    x = 3,199.79

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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.