Home / 3,365.28-4,639.89-2,168.22

Finding the Fourth Proportional to 3,365.28, 4,639.89 and 2,168.22

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Solution

The fourth proportional to 3,365.28, 4,639.89 and 2,168.22 is: 2,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.28 : 4,639.89 = 2,168.22 : x
  2. Step 2: Convert to fraction form
    3,365.28/4,639.89 = 2,168.22/x
  3. Step 3: Cross multiply
    3,365.28x = 4,639.89 × 2,168.22
  4. Step 4: Simplify right side
    3,365.28x = 10,060,302.30
  5. Step 5: Solve for x
    x = 10,060,302.30/3,365.28
  6. Step 6: Final answer
    x = 2,989.44

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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.