Home / 3,214.79-4,446.19-2,883.09

Finding the Fourth Proportional to 3,214.79, 4,446.19 and 2,883.09

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Solution

The fourth proportional to 3,214.79, 4,446.19 and 2,883.09 is: 3,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.79 : 4,446.19 = 2,883.09 : x
  2. Step 2: Convert to fraction form
    3,214.79/4,446.19 = 2,883.09/x
  3. Step 3: Cross multiply
    3,214.79x = 4,446.19 × 2,883.09
  4. Step 4: Simplify right side
    3,214.79x = 12,818,786.20
  5. Step 5: Solve for x
    x = 12,818,786.20/3,214.79
  6. Step 6: Final answer
    x = 3,987.44

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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.