Home / 3,231.55-4,848.23-1,285.12

Finding the Fourth Proportional to 3,231.55, 4,848.23 and 1,285.12

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Solution

The fourth proportional to 3,231.55, 4,848.23 and 1,285.12 is: 1,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.55 : 4,848.23 = 1,285.12 : x
  2. Step 2: Convert to fraction form
    3,231.55/4,848.23 = 1,285.12/x
  3. Step 3: Cross multiply
    3,231.55x = 4,848.23 × 1,285.12
  4. Step 4: Simplify right side
    3,231.55x = 6,230,557.34
  5. Step 5: Solve for x
    x = 6,230,557.34/3,231.55
  6. Step 6: Final answer
    x = 1,928.04

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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.