Home / 2,690.92-4,033.35-1,370.97

Finding the Fourth Proportional to 2,690.92, 4,033.35 and 1,370.97

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Solution

The fourth proportional to 2,690.92, 4,033.35 and 1,370.97 is: 2,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.92 : 4,033.35 = 1,370.97 : x
  2. Step 2: Convert to fraction form
    2,690.92/4,033.35 = 1,370.97/x
  3. Step 3: Cross multiply
    2,690.92x = 4,033.35 × 1,370.97
  4. Step 4: Simplify right side
    2,690.92x = 5,529,601.85
  5. Step 5: Solve for x
    x = 5,529,601.85/2,690.92
  6. Step 6: Final answer
    x = 2,054.91

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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.