Home / 1,447.03-2,169.70-1,274.04

Finding the Fourth Proportional to 1,447.03, 2,169.70 and 1,274.04

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Solution

The fourth proportional to 1,447.03, 2,169.70 and 1,274.04 is: 1,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.03 : 2,169.70 = 1,274.04 : x
  2. Step 2: Convert to fraction form
    1,447.03/2,169.70 = 1,274.04/x
  3. Step 3: Cross multiply
    1,447.03x = 2,169.70 × 1,274.04
  4. Step 4: Simplify right side
    1,447.03x = 2,764,282.44
  5. Step 5: Solve for x
    x = 2,764,282.44/1,447.03
  6. Step 6: Final answer
    x = 1,910.32

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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.