Home / 2,314.56-3,197.68-1,940.88

Finding the Fourth Proportional to 2,314.56, 3,197.68 and 1,940.88

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Solution

The fourth proportional to 2,314.56, 3,197.68 and 1,940.88 is: 2,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.56 : 3,197.68 = 1,940.88 : x
  2. Step 2: Convert to fraction form
    2,314.56/3,197.68 = 1,940.88/x
  3. Step 3: Cross multiply
    2,314.56x = 3,197.68 × 1,940.88
  4. Step 4: Simplify right side
    2,314.56x = 6,206,313.16
  5. Step 5: Solve for x
    x = 6,206,313.16/2,314.56
  6. Step 6: Final answer
    x = 2,681.42

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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.