Home / 3,168.13-4,362.10-2,606.80

Finding the Fourth Proportional to 3,168.13, 4,362.10 and 2,606.80

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Solution

The fourth proportional to 3,168.13, 4,362.10 and 2,606.80 is: 3,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.13 : 4,362.10 = 2,606.80 : x
  2. Step 2: Convert to fraction form
    3,168.13/4,362.10 = 2,606.80/x
  3. Step 3: Cross multiply
    3,168.13x = 4,362.10 × 2,606.80
  4. Step 4: Simplify right side
    3,168.13x = 11,371,122.28
  5. Step 5: Solve for x
    x = 11,371,122.28/3,168.13
  6. Step 6: Final answer
    x = 3,589.22

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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.