Home / 2,626.57-3,937.94-1,239.13

Finding the Fourth Proportional to 2,626.57, 3,937.94 and 1,239.13

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Solution

The fourth proportional to 2,626.57, 3,937.94 and 1,239.13 is: 1,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.57 : 3,937.94 = 1,239.13 : x
  2. Step 2: Convert to fraction form
    2,626.57/3,937.94 = 1,239.13/x
  3. Step 3: Cross multiply
    2,626.57x = 3,937.94 × 1,239.13
  4. Step 4: Simplify right side
    2,626.57x = 4,879,619.59
  5. Step 5: Solve for x
    x = 4,879,619.59/2,626.57
  6. Step 6: Final answer
    x = 1,857.79

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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.