Home / 3,219.75-4,830.03-1,370.52

Finding the Fourth Proportional to 3,219.75, 4,830.03 and 1,370.52

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Solution

The fourth proportional to 3,219.75, 4,830.03 and 1,370.52 is: 2,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.75 : 4,830.03 = 1,370.52 : x
  2. Step 2: Convert to fraction form
    3,219.75/4,830.03 = 1,370.52/x
  3. Step 3: Cross multiply
    3,219.75x = 4,830.03 × 1,370.52
  4. Step 4: Simplify right side
    3,219.75x = 6,619,652.72
  5. Step 5: Solve for x
    x = 6,619,652.72/3,219.75
  6. Step 6: Final answer
    x = 2,055.95

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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.