Home / 2,768.09-3,798.47-2,517.50

Finding the Fourth Proportional to 2,768.09, 3,798.47 and 2,517.50

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Solution

The fourth proportional to 2,768.09, 3,798.47 and 2,517.50 is: 3,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.09 : 3,798.47 = 2,517.50 : x
  2. Step 2: Convert to fraction form
    2,768.09/3,798.47 = 2,517.50/x
  3. Step 3: Cross multiply
    2,768.09x = 3,798.47 × 2,517.50
  4. Step 4: Simplify right side
    2,768.09x = 9,562,616.65
  5. Step 5: Solve for x
    x = 9,562,616.65/2,768.09
  6. Step 6: Final answer
    x = 3,454.60

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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.