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Finding the Fourth Proportional to 2,874.39, 4,337.43 and 2,771.43

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Solution

The fourth proportional to 2,874.39, 4,337.43 and 2,771.43 is: 4,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.39 : 4,337.43 = 2,771.43 : x
  2. Step 2: Convert to fraction form
    2,874.39/4,337.43 = 2,771.43/x
  3. Step 3: Cross multiply
    2,874.39x = 4,337.43 × 2,771.43
  4. Step 4: Simplify right side
    2,874.39x = 12,020,883.62
  5. Step 5: Solve for x
    x = 12,020,883.62/2,874.39
  6. Step 6: Final answer
    x = 4,182.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.