Home / 2,723.49-3,763.67-2,198.61

Finding the Fourth Proportional to 2,723.49, 3,763.67 and 2,198.61

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Solution

The fourth proportional to 2,723.49, 3,763.67 and 2,198.61 is: 3,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.49 : 3,763.67 = 2,198.61 : x
  2. Step 2: Convert to fraction form
    2,723.49/3,763.67 = 2,198.61/x
  3. Step 3: Cross multiply
    2,723.49x = 3,763.67 × 2,198.61
  4. Step 4: Simplify right side
    2,723.49x = 8,274,831.51
  5. Step 5: Solve for x
    x = 8,274,831.51/2,723.49
  6. Step 6: Final answer
    x = 3,038.32

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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.