Home / 2,626.44-3,940.88-1,310.14

Finding the Fourth Proportional to 2,626.44, 3,940.88 and 1,310.14

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Solution

The fourth proportional to 2,626.44, 3,940.88 and 1,310.14 is: 1,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.44 : 3,940.88 = 1,310.14 : x
  2. Step 2: Convert to fraction form
    2,626.44/3,940.88 = 1,310.14/x
  3. Step 3: Cross multiply
    2,626.44x = 3,940.88 × 1,310.14
  4. Step 4: Simplify right side
    2,626.44x = 5,163,102.90
  5. Step 5: Solve for x
    x = 5,163,102.90/2,626.44
  6. Step 6: Final answer
    x = 1,965.82

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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.