Home / 3,949.30-5,450.89-2,693.35

Finding the Fourth Proportional to 3,949.30, 5,450.89 and 2,693.35

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Solution

The fourth proportional to 3,949.30, 5,450.89 and 2,693.35 is: 3,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.30 : 5,450.89 = 2,693.35 : x
  2. Step 2: Convert to fraction form
    3,949.30/5,450.89 = 2,693.35/x
  3. Step 3: Cross multiply
    3,949.30x = 5,450.89 × 2,693.35
  4. Step 4: Simplify right side
    3,949.30x = 14,681,134.22
  5. Step 5: Solve for x
    x = 14,681,134.22/3,949.30
  6. Step 6: Final answer
    x = 3,717.40

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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.