Home / 3,219.61-4,829.76-1,027.83

Finding the Fourth Proportional to 3,219.61, 4,829.76 and 1,027.83

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Solution

The fourth proportional to 3,219.61, 4,829.76 and 1,027.83 is: 1,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.61 : 4,829.76 = 1,027.83 : x
  2. Step 2: Convert to fraction form
    3,219.61/4,829.76 = 1,027.83/x
  3. Step 3: Cross multiply
    3,219.61x = 4,829.76 × 1,027.83
  4. Step 4: Simplify right side
    3,219.61x = 4,964,172.22
  5. Step 5: Solve for x
    x = 4,964,172.22/3,219.61
  6. Step 6: Final answer
    x = 1,541.86

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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.