Home / 2,550.09-3,822.75-1,378.36

Finding the Fourth Proportional to 2,550.09, 3,822.75 and 1,378.36

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Solution

The fourth proportional to 2,550.09, 3,822.75 and 1,378.36 is: 2,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.09 : 3,822.75 = 1,378.36 : x
  2. Step 2: Convert to fraction form
    2,550.09/3,822.75 = 1,378.36/x
  3. Step 3: Cross multiply
    2,550.09x = 3,822.75 × 1,378.36
  4. Step 4: Simplify right side
    2,550.09x = 5,269,125.69
  5. Step 5: Solve for x
    x = 5,269,125.69/2,550.09
  6. Step 6: Final answer
    x = 2,066.25

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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.