Home / 4,200.45-6,295.98-2,122.35

Finding the Fourth Proportional to 4,200.45, 6,295.98 and 2,122.35

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Solution

The fourth proportional to 4,200.45, 6,295.98 and 2,122.35 is: 3,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.45 : 6,295.98 = 2,122.35 : x
  2. Step 2: Convert to fraction form
    4,200.45/6,295.98 = 2,122.35/x
  3. Step 3: Cross multiply
    4,200.45x = 6,295.98 × 2,122.35
  4. Step 4: Simplify right side
    4,200.45x = 13,362,273.15
  5. Step 5: Solve for x
    x = 13,362,273.15/4,200.45
  6. Step 6: Final answer
    x = 3,181.15

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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.