Home / 3,285.98-4,924.44-1,438.64

Finding the Fourth Proportional to 3,285.98, 4,924.44 and 1,438.64

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Solution

The fourth proportional to 3,285.98, 4,924.44 and 1,438.64 is: 2,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.98 : 4,924.44 = 1,438.64 : x
  2. Step 2: Convert to fraction form
    3,285.98/4,924.44 = 1,438.64/x
  3. Step 3: Cross multiply
    3,285.98x = 4,924.44 × 1,438.64
  4. Step 4: Simplify right side
    3,285.98x = 7,084,471.74
  5. Step 5: Solve for x
    x = 7,084,471.74/3,285.98
  6. Step 6: Final answer
    x = 2,155.97

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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.