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Finding the Fourth Proportional to 2,902.36, 4,002.19 and 2,062.19

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Solution

The fourth proportional to 2,902.36, 4,002.19 and 2,062.19 is: 2,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.36 : 4,002.19 = 2,062.19 : x
  2. Step 2: Convert to fraction form
    2,902.36/4,002.19 = 2,062.19/x
  3. Step 3: Cross multiply
    2,902.36x = 4,002.19 × 2,062.19
  4. Step 4: Simplify right side
    2,902.36x = 8,253,276.20
  5. Step 5: Solve for x
    x = 8,253,276.20/2,902.36
  6. Step 6: Final answer
    x = 2,843.64

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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.