Home / 3,222.40-4,831.44-1,274.08

Finding the Fourth Proportional to 3,222.40, 4,831.44 and 1,274.08

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Solution

The fourth proportional to 3,222.40, 4,831.44 and 1,274.08 is: 1,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.40 : 4,831.44 = 1,274.08 : x
  2. Step 2: Convert to fraction form
    3,222.40/4,831.44 = 1,274.08/x
  3. Step 3: Cross multiply
    3,222.40x = 4,831.44 × 1,274.08
  4. Step 4: Simplify right side
    3,222.40x = 6,155,641.08
  5. Step 5: Solve for x
    x = 6,155,641.08/3,222.40
  6. Step 6: Final answer
    x = 1,910.27

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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.