Home / 2,631.26-3,940.56-1,704.17

Finding the Fourth Proportional to 2,631.26, 3,940.56 and 1,704.17

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Solution

The fourth proportional to 2,631.26, 3,940.56 and 1,704.17 is: 2,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.26 : 3,940.56 = 1,704.17 : x
  2. Step 2: Convert to fraction form
    2,631.26/3,940.56 = 1,704.17/x
  3. Step 3: Cross multiply
    2,631.26x = 3,940.56 × 1,704.17
  4. Step 4: Simplify right side
    2,631.26x = 6,715,393.99
  5. Step 5: Solve for x
    x = 6,715,393.99/2,631.26
  6. Step 6: Final answer
    x = 2,552.16

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1.5x scale

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.