Home / 2,812.29-4,220.32-1,168.84

Finding the Fourth Proportional to 2,812.29, 4,220.32 and 1,168.84

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Solution

The fourth proportional to 2,812.29, 4,220.32 and 1,168.84 is: 1,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.29 : 4,220.32 = 1,168.84 : x
  2. Step 2: Convert to fraction form
    2,812.29/4,220.32 = 1,168.84/x
  3. Step 3: Cross multiply
    2,812.29x = 4,220.32 × 1,168.84
  4. Step 4: Simplify right side
    2,812.29x = 4,932,878.83
  5. Step 5: Solve for x
    x = 4,932,878.83/2,812.29
  6. Step 6: Final answer
    x = 1,754.04

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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.