Home / 2,772.97-4,161.57-1,019.63

Finding the Fourth Proportional to 2,772.97, 4,161.57 and 1,019.63

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Solution

The fourth proportional to 2,772.97, 4,161.57 and 1,019.63 is: 1,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.97 : 4,161.57 = 1,019.63 : x
  2. Step 2: Convert to fraction form
    2,772.97/4,161.57 = 1,019.63/x
  3. Step 3: Cross multiply
    2,772.97x = 4,161.57 × 1,019.63
  4. Step 4: Simplify right side
    2,772.97x = 4,243,261.62
  5. Step 5: Solve for x
    x = 4,243,261.62/2,772.97
  6. Step 6: Final answer
    x = 1,530.22

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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.