Home / 3,066.89-4,232.91-1,949.15

Finding the Fourth Proportional to 3,066.89, 4,232.91 and 1,949.15

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Solution

The fourth proportional to 3,066.89, 4,232.91 and 1,949.15 is: 2,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.89 : 4,232.91 = 1,949.15 : x
  2. Step 2: Convert to fraction form
    3,066.89/4,232.91 = 1,949.15/x
  3. Step 3: Cross multiply
    3,066.89x = 4,232.91 × 1,949.15
  4. Step 4: Simplify right side
    3,066.89x = 8,250,555.36
  5. Step 5: Solve for x
    x = 8,250,555.36/3,066.89
  6. Step 6: Final answer
    x = 2,690.21

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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.