Home / 3,022.16-4,168.67-1,902.15

Finding the Fourth Proportional to 3,022.16, 4,168.67 and 1,902.15

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Solution

The fourth proportional to 3,022.16, 4,168.67 and 1,902.15 is: 2,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.16 : 4,168.67 = 1,902.15 : x
  2. Step 2: Convert to fraction form
    3,022.16/4,168.67 = 1,902.15/x
  3. Step 3: Cross multiply
    3,022.16x = 4,168.67 × 1,902.15
  4. Step 4: Simplify right side
    3,022.16x = 7,929,426.13
  5. Step 5: Solve for x
    x = 7,929,426.13/3,022.16
  6. Step 6: Final answer
    x = 2,623.77

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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.