Home / 3,913.98-5,874.30-2,066.43

Finding the Fourth Proportional to 3,913.98, 5,874.30 and 2,066.43

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Solution

The fourth proportional to 3,913.98, 5,874.30 and 2,066.43 is: 3,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.98 : 5,874.30 = 2,066.43 : x
  2. Step 2: Convert to fraction form
    3,913.98/5,874.30 = 2,066.43/x
  3. Step 3: Cross multiply
    3,913.98x = 5,874.30 × 2,066.43
  4. Step 4: Simplify right side
    3,913.98x = 12,138,829.75
  5. Step 5: Solve for x
    x = 12,138,829.75/3,913.98
  6. Step 6: Final answer
    x = 3,101.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.