Home / 3,257.75-4,495.58-1,930.66

Finding the Fourth Proportional to 3,257.75, 4,495.58 and 1,930.66

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Solution

The fourth proportional to 3,257.75, 4,495.58 and 1,930.66 is: 2,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.75 : 4,495.58 = 1,930.66 : x
  2. Step 2: Convert to fraction form
    3,257.75/4,495.58 = 1,930.66/x
  3. Step 3: Cross multiply
    3,257.75x = 4,495.58 × 1,930.66
  4. Step 4: Simplify right side
    3,257.75x = 8,679,439.69
  5. Step 5: Solve for x
    x = 8,679,439.69/3,257.75
  6. Step 6: Final answer
    x = 2,664.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.