Home / 2,823.28-4,236.24-1,263.12

Finding the Fourth Proportional to 2,823.28, 4,236.24 and 1,263.12

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Solution

The fourth proportional to 2,823.28, 4,236.24 and 1,263.12 is: 1,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.28 : 4,236.24 = 1,263.12 : x
  2. Step 2: Convert to fraction form
    2,823.28/4,236.24 = 1,263.12/x
  3. Step 3: Cross multiply
    2,823.28x = 4,236.24 × 1,263.12
  4. Step 4: Simplify right side
    2,823.28x = 5,350,879.47
  5. Step 5: Solve for x
    x = 5,350,879.47/2,823.28
  6. Step 6: Final answer
    x = 1,895.27

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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.