Home / 2,262.62-3,393.93-1,221.06

Finding the Fourth Proportional to 2,262.62, 3,393.93 and 1,221.06

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Solution

The fourth proportional to 2,262.62, 3,393.93 and 1,221.06 is: 1,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.62 : 3,393.93 = 1,221.06 : x
  2. Step 2: Convert to fraction form
    2,262.62/3,393.93 = 1,221.06/x
  3. Step 3: Cross multiply
    2,262.62x = 3,393.93 × 1,221.06
  4. Step 4: Simplify right side
    2,262.62x = 4,144,192.17
  5. Step 5: Solve for x
    x = 4,144,192.17/2,262.62
  6. Step 6: Final answer
    x = 1,831.59

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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.