Home / 3,231.65-4,847.61-1,930.25

Finding the Fourth Proportional to 3,231.65, 4,847.61 and 1,930.25

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Solution

The fourth proportional to 3,231.65, 4,847.61 and 1,930.25 is: 2,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.65 : 4,847.61 = 1,930.25 : x
  2. Step 2: Convert to fraction form
    3,231.65/4,847.61 = 1,930.25/x
  3. Step 3: Cross multiply
    3,231.65x = 4,847.61 × 1,930.25
  4. Step 4: Simplify right side
    3,231.65x = 9,357,099.20
  5. Step 5: Solve for x
    x = 9,357,099.20/3,231.65
  6. Step 6: Final answer
    x = 2,895.46

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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.