Home / 3,216.06-4,821.66-1,267.20

Finding the Fourth Proportional to 3,216.06, 4,821.66 and 1,267.20

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Solution

The fourth proportional to 3,216.06, 4,821.66 and 1,267.20 is: 1,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.06 : 4,821.66 = 1,267.20 : x
  2. Step 2: Convert to fraction form
    3,216.06/4,821.66 = 1,267.20/x
  3. Step 3: Cross multiply
    3,216.06x = 4,821.66 × 1,267.20
  4. Step 4: Simplify right side
    3,216.06x = 6,110,007.55
  5. Step 5: Solve for x
    x = 6,110,007.55/3,216.06
  6. Step 6: Final answer
    x = 1,899.84

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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.