Home / 3,219.42-4,828.71-1,028.19

Finding the Fourth Proportional to 3,219.42, 4,828.71 and 1,028.19

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Solution

The fourth proportional to 3,219.42, 4,828.71 and 1,028.19 is: 1,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.42 : 4,828.71 = 1,028.19 : x
  2. Step 2: Convert to fraction form
    3,219.42/4,828.71 = 1,028.19/x
  3. Step 3: Cross multiply
    3,219.42x = 4,828.71 × 1,028.19
  4. Step 4: Simplify right side
    3,219.42x = 4,964,831.33
  5. Step 5: Solve for x
    x = 4,964,831.33/3,219.42
  6. Step 6: Final answer
    x = 1,542.15

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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.