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Finding the Fourth Proportional to 3,363.79, 4,640.11 and 2,019.04

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Solution

The fourth proportional to 3,363.79, 4,640.11 and 2,019.04 is: 2,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.79 : 4,640.11 = 2,019.04 : x
  2. Step 2: Convert to fraction form
    3,363.79/4,640.11 = 2,019.04/x
  3. Step 3: Cross multiply
    3,363.79x = 4,640.11 × 2,019.04
  4. Step 4: Simplify right side
    3,363.79x = 9,368,567.69
  5. Step 5: Solve for x
    x = 9,368,567.69/3,363.79
  6. Step 6: Final answer
    x = 2,785.12

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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.