Home / 2,850.09-4,274.10-1,206.75

Finding the Fourth Proportional to 2,850.09, 4,274.10 and 1,206.75

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Solution

The fourth proportional to 2,850.09, 4,274.10 and 1,206.75 is: 1,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.09 : 4,274.10 = 1,206.75 : x
  2. Step 2: Convert to fraction form
    2,850.09/4,274.10 = 1,206.75/x
  3. Step 3: Cross multiply
    2,850.09x = 4,274.10 × 1,206.75
  4. Step 4: Simplify right side
    2,850.09x = 5,157,770.18
  5. Step 5: Solve for x
    x = 5,157,770.18/2,850.09
  6. Step 6: Final answer
    x = 1,809.69

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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.