Home / 2,812.23-4,220.22-1,168.77

Finding the Fourth Proportional to 2,812.23, 4,220.22 and 1,168.77

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Solution

The fourth proportional to 2,812.23, 4,220.22 and 1,168.77 is: 1,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.23 : 4,220.22 = 1,168.77 : x
  2. Step 2: Convert to fraction form
    2,812.23/4,220.22 = 1,168.77/x
  3. Step 3: Cross multiply
    2,812.23x = 4,220.22 × 1,168.77
  4. Step 4: Simplify right side
    2,812.23x = 4,932,470.91
  5. Step 5: Solve for x
    x = 4,932,470.91/2,812.23
  6. Step 6: Final answer
    x = 1,753.94

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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.