Home / 2,724.70-4,077.60-1,629.85

Finding the Fourth Proportional to 2,724.70, 4,077.60 and 1,629.85

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Solution

The fourth proportional to 2,724.70, 4,077.60 and 1,629.85 is: 2,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.70 : 4,077.60 = 1,629.85 : x
  2. Step 2: Convert to fraction form
    2,724.70/4,077.60 = 1,629.85/x
  3. Step 3: Cross multiply
    2,724.70x = 4,077.60 × 1,629.85
  4. Step 4: Simplify right side
    2,724.70x = 6,645,876.36
  5. Step 5: Solve for x
    x = 6,645,876.36/2,724.70
  6. Step 6: Final answer
    x = 2,439.12

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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.