Home / 2,553.88-3,831.73-1,256.26

Finding the Fourth Proportional to 2,553.88, 3,831.73 and 1,256.26

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Solution

The fourth proportional to 2,553.88, 3,831.73 and 1,256.26 is: 1,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.88 : 3,831.73 = 1,256.26 : x
  2. Step 2: Convert to fraction form
    2,553.88/3,831.73 = 1,256.26/x
  3. Step 3: Cross multiply
    2,553.88x = 3,831.73 × 1,256.26
  4. Step 4: Simplify right side
    2,553.88x = 4,813,649.13
  5. Step 5: Solve for x
    x = 4,813,649.13/2,553.88
  6. Step 6: Final answer
    x = 1,884.84

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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.