Home / 2,770.26-4,153.03-1,209.09

Finding the Fourth Proportional to 2,770.26, 4,153.03 and 1,209.09

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Solution

The fourth proportional to 2,770.26, 4,153.03 and 1,209.09 is: 1,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.26 : 4,153.03 = 1,209.09 : x
  2. Step 2: Convert to fraction form
    2,770.26/4,153.03 = 1,209.09/x
  3. Step 3: Cross multiply
    2,770.26x = 4,153.03 × 1,209.09
  4. Step 4: Simplify right side
    2,770.26x = 5,021,399.76
  5. Step 5: Solve for x
    x = 5,021,399.76/2,770.26
  6. Step 6: Final answer
    x = 1,812.61

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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.