Home / 3,231.70-4,847.55-1,283.65

Finding the Fourth Proportional to 3,231.70, 4,847.55 and 1,283.65

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Solution

The fourth proportional to 3,231.70, 4,847.55 and 1,283.65 is: 1,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.70 : 4,847.55 = 1,283.65 : x
  2. Step 2: Convert to fraction form
    3,231.70/4,847.55 = 1,283.65/x
  3. Step 3: Cross multiply
    3,231.70x = 4,847.55 × 1,283.65
  4. Step 4: Simplify right side
    3,231.70x = 6,222,557.56
  5. Step 5: Solve for x
    x = 6,222,557.56/3,231.70
  6. Step 6: Final answer
    x = 1,925.48

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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.