Home / 2,076.20-2,865.22-1,192.18

Finding the Fourth Proportional to 2,076.20, 2,865.22 and 1,192.18

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Solution

The fourth proportional to 2,076.20, 2,865.22 and 1,192.18 is: 1,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.20 : 2,865.22 = 1,192.18 : x
  2. Step 2: Convert to fraction form
    2,076.20/2,865.22 = 1,192.18/x
  3. Step 3: Cross multiply
    2,076.20x = 2,865.22 × 1,192.18
  4. Step 4: Simplify right side
    2,076.20x = 3,415,857.98
  5. Step 5: Solve for x
    x = 3,415,857.98/2,076.20
  6. Step 6: Final answer
    x = 1,645.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.