Home / 2,786.48-3,845.36-1,544.48

Finding the Fourth Proportional to 2,786.48, 3,845.36 and 1,544.48

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Solution

The fourth proportional to 2,786.48, 3,845.36 and 1,544.48 is: 2,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.48 : 3,845.36 = 1,544.48 : x
  2. Step 2: Convert to fraction form
    2,786.48/3,845.36 = 1,544.48/x
  3. Step 3: Cross multiply
    2,786.48x = 3,845.36 × 1,544.48
  4. Step 4: Simplify right side
    2,786.48x = 5,939,081.61
  5. Step 5: Solve for x
    x = 5,939,081.61/2,786.48
  6. Step 6: Final answer
    x = 2,131.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.