Home / 2,262.07-3,390.27-1,222.03

Finding the Fourth Proportional to 2,262.07, 3,390.27 and 1,222.03

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Solution

The fourth proportional to 2,262.07, 3,390.27 and 1,222.03 is: 1,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.07 : 3,390.27 = 1,222.03 : x
  2. Step 2: Convert to fraction form
    2,262.07/3,390.27 = 1,222.03/x
  3. Step 3: Cross multiply
    2,262.07x = 3,390.27 × 1,222.03
  4. Step 4: Simplify right side
    2,262.07x = 4,143,011.65
  5. Step 5: Solve for x
    x = 4,143,011.65/2,262.07
  6. Step 6: Final answer
    x = 1,831.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.