Home / 3,285.72-4,930.08-2,427.12

Finding the Fourth Proportional to 3,285.72, 4,930.08 and 2,427.12

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Solution

The fourth proportional to 3,285.72, 4,930.08 and 2,427.12 is: 3,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.72 : 4,930.08 = 2,427.12 : x
  2. Step 2: Convert to fraction form
    3,285.72/4,930.08 = 2,427.12/x
  3. Step 3: Cross multiply
    3,285.72x = 4,930.08 × 2,427.12
  4. Step 4: Simplify right side
    3,285.72x = 11,965,895.77
  5. Step 5: Solve for x
    x = 11,965,895.77/3,285.72
  6. Step 6: Final answer
    x = 3,641.79

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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.