Home / 3,228.55-4,455.26-1,902.31

Finding the Fourth Proportional to 3,228.55, 4,455.26 and 1,902.31

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Solution

The fourth proportional to 3,228.55, 4,455.26 and 1,902.31 is: 2,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.55 : 4,455.26 = 1,902.31 : x
  2. Step 2: Convert to fraction form
    3,228.55/4,455.26 = 1,902.31/x
  3. Step 3: Cross multiply
    3,228.55x = 4,455.26 × 1,902.31
  4. Step 4: Simplify right side
    3,228.55x = 8,475,285.65
  5. Step 5: Solve for x
    x = 8,475,285.65/3,228.55
  6. Step 6: Final answer
    x = 2,625.11

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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.