Home / 3,219.15-4,829.28-1,027.56

Finding the Fourth Proportional to 3,219.15, 4,829.28 and 1,027.56

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Solution

The fourth proportional to 3,219.15, 4,829.28 and 1,027.56 is: 1,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.15 : 4,829.28 = 1,027.56 : x
  2. Step 2: Convert to fraction form
    3,219.15/4,829.28 = 1,027.56/x
  3. Step 3: Cross multiply
    3,219.15x = 4,829.28 × 1,027.56
  4. Step 4: Simplify right side
    3,219.15x = 4,962,374.96
  5. Step 5: Solve for x
    x = 4,962,374.96/3,219.15
  6. Step 6: Final answer
    x = 1,541.52

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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.