Home / 2,625.57-3,936.44-1,238.13

Finding the Fourth Proportional to 2,625.57, 3,936.44 and 1,238.13

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Solution

The fourth proportional to 2,625.57, 3,936.44 and 1,238.13 is: 1,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.57 : 3,936.44 = 1,238.13 : x
  2. Step 2: Convert to fraction form
    2,625.57/3,936.44 = 1,238.13/x
  3. Step 3: Cross multiply
    2,625.57x = 3,936.44 × 1,238.13
  4. Step 4: Simplify right side
    2,625.57x = 4,873,827.55
  5. Step 5: Solve for x
    x = 4,873,827.55/2,625.57
  6. Step 6: Final answer
    x = 1,856.29

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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.