Home / 2,728.23-3,757.49-2,355.08

Finding the Fourth Proportional to 2,728.23, 3,757.49 and 2,355.08

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Solution

The fourth proportional to 2,728.23, 3,757.49 and 2,355.08 is: 3,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.23 : 3,757.49 = 2,355.08 : x
  2. Step 2: Convert to fraction form
    2,728.23/3,757.49 = 2,355.08/x
  3. Step 3: Cross multiply
    2,728.23x = 3,757.49 × 2,355.08
  4. Step 4: Simplify right side
    2,728.23x = 8,849,167.82
  5. Step 5: Solve for x
    x = 8,849,167.82/2,728.23
  6. Step 6: Final answer
    x = 3,243.55

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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.