Home / 3,369.40-4,648.18-2,190.04

Finding the Fourth Proportional to 3,369.40, 4,648.18 and 2,190.04

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Solution

The fourth proportional to 3,369.40, 4,648.18 and 2,190.04 is: 3,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.40 : 4,648.18 = 2,190.04 : x
  2. Step 2: Convert to fraction form
    3,369.40/4,648.18 = 2,190.04/x
  3. Step 3: Cross multiply
    3,369.40x = 4,648.18 × 2,190.04
  4. Step 4: Simplify right side
    3,369.40x = 10,179,665.94
  5. Step 5: Solve for x
    x = 10,179,665.94/3,369.40
  6. Step 6: Final answer
    x = 3,021.21

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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.