Home / 2,793.26-4,192.32-1,820.45

Finding the Fourth Proportional to 2,793.26, 4,192.32 and 1,820.45

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Solution

The fourth proportional to 2,793.26, 4,192.32 and 1,820.45 is: 2,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.26 : 4,192.32 = 1,820.45 : x
  2. Step 2: Convert to fraction form
    2,793.26/4,192.32 = 1,820.45/x
  3. Step 3: Cross multiply
    2,793.26x = 4,192.32 × 1,820.45
  4. Step 4: Simplify right side
    2,793.26x = 7,631,908.94
  5. Step 5: Solve for x
    x = 7,631,908.94/2,793.26
  6. Step 6: Final answer
    x = 2,732.26

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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.