Home / 2,836.50-4,255.56-1,192.20

Finding the Fourth Proportional to 2,836.50, 4,255.56 and 1,192.20

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Solution

The fourth proportional to 2,836.50, 4,255.56 and 1,192.20 is: 1,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.50 : 4,255.56 = 1,192.20 : x
  2. Step 2: Convert to fraction form
    2,836.50/4,255.56 = 1,192.20/x
  3. Step 3: Cross multiply
    2,836.50x = 4,255.56 × 1,192.20
  4. Step 4: Simplify right side
    2,836.50x = 5,073,478.63
  5. Step 5: Solve for x
    x = 5,073,478.63/2,836.50
  6. Step 6: Final answer
    x = 1,788.64

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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.