Home / 2,076.55-2,865.91-1,192.18

Finding the Fourth Proportional to 2,076.55, 2,865.91 and 1,192.18

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Solution

The fourth proportional to 2,076.55, 2,865.91 and 1,192.18 is: 1,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.55 : 2,865.91 = 1,192.18 : x
  2. Step 2: Convert to fraction form
    2,076.55/2,865.91 = 1,192.18/x
  3. Step 3: Cross multiply
    2,076.55x = 2,865.91 × 1,192.18
  4. Step 4: Simplify right side
    2,076.55x = 3,416,680.58
  5. Step 5: Solve for x
    x = 3,416,680.58/2,076.55
  6. Step 6: Final answer
    x = 1,645.36

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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.