Home / 2,728.79-3,739.49-2,466.35

Finding the Fourth Proportional to 2,728.79, 3,739.49 and 2,466.35

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Solution

The fourth proportional to 2,728.79, 3,739.49 and 2,466.35 is: 3,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.79 : 3,739.49 = 2,466.35 : x
  2. Step 2: Convert to fraction form
    2,728.79/3,739.49 = 2,466.35/x
  3. Step 3: Cross multiply
    2,728.79x = 3,739.49 × 2,466.35
  4. Step 4: Simplify right side
    2,728.79x = 9,222,891.16
  5. Step 5: Solve for x
    x = 9,222,891.16/2,728.79
  6. Step 6: Final answer
    x = 3,379.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.