Home / 2,263.86-3,121.07-1,935.81

Finding the Fourth Proportional to 2,263.86, 3,121.07 and 1,935.81

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Solution

The fourth proportional to 2,263.86, 3,121.07 and 1,935.81 is: 2,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.86 : 3,121.07 = 1,935.81 : x
  2. Step 2: Convert to fraction form
    2,263.86/3,121.07 = 1,935.81/x
  3. Step 3: Cross multiply
    2,263.86x = 3,121.07 × 1,935.81
  4. Step 4: Simplify right side
    2,263.86x = 6,041,788.84
  5. Step 5: Solve for x
    x = 6,041,788.84/2,263.86
  6. Step 6: Final answer
    x = 2,668.80

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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.