Home / 1,850.94-2,550.30-1,260.45

Finding the Fourth Proportional to 1,850.94, 2,550.30 and 1,260.45

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Solution

The fourth proportional to 1,850.94, 2,550.30 and 1,260.45 is: 1,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.94 : 2,550.30 = 1,260.45 : x
  2. Step 2: Convert to fraction form
    1,850.94/2,550.30 = 1,260.45/x
  3. Step 3: Cross multiply
    1,850.94x = 2,550.30 × 1,260.45
  4. Step 4: Simplify right side
    1,850.94x = 3,214,525.64
  5. Step 5: Solve for x
    x = 3,214,525.64/1,850.94
  6. Step 6: Final answer
    x = 1,736.70

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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.