Home / 2,626.14-3,939.77-1,310.60

Finding the Fourth Proportional to 2,626.14, 3,939.77 and 1,310.60

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Solution

The fourth proportional to 2,626.14, 3,939.77 and 1,310.60 is: 1,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.14 : 3,939.77 = 1,310.60 : x
  2. Step 2: Convert to fraction form
    2,626.14/3,939.77 = 1,310.60/x
  3. Step 3: Cross multiply
    2,626.14x = 3,939.77 × 1,310.60
  4. Step 4: Simplify right side
    2,626.14x = 5,163,462.56
  5. Step 5: Solve for x
    x = 5,163,462.56/2,626.14
  6. Step 6: Final answer
    x = 1,966.18

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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.