Home / 3,028.46-4,175.90-1,908.06

Finding the Fourth Proportional to 3,028.46, 4,175.90 and 1,908.06

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Solution

The fourth proportional to 3,028.46, 4,175.90 and 1,908.06 is: 2,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.46 : 4,175.90 = 1,908.06 : x
  2. Step 2: Convert to fraction form
    3,028.46/4,175.90 = 1,908.06/x
  3. Step 3: Cross multiply
    3,028.46x = 4,175.90 × 1,908.06
  4. Step 4: Simplify right side
    3,028.46x = 7,967,867.75
  5. Step 5: Solve for x
    x = 7,967,867.75/3,028.46
  6. Step 6: Final answer
    x = 2,631.00

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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.