Home / 1,850.36-2,550.62-1,259.88

Finding the Fourth Proportional to 1,850.36, 2,550.62 and 1,259.88

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Solution

The fourth proportional to 1,850.36, 2,550.62 and 1,259.88 is: 1,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.36 : 2,550.62 = 1,259.88 : x
  2. Step 2: Convert to fraction form
    1,850.36/2,550.62 = 1,259.88/x
  3. Step 3: Cross multiply
    1,850.36x = 2,550.62 × 1,259.88
  4. Step 4: Simplify right side
    1,850.36x = 3,213,475.13
  5. Step 5: Solve for x
    x = 3,213,475.13/1,850.36
  6. Step 6: Final answer
    x = 1,736.68

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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.