Home / 3,388.62-4,675.23-1,896.30

Finding the Fourth Proportional to 3,388.62, 4,675.23 and 1,896.30

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Solution

The fourth proportional to 3,388.62, 4,675.23 and 1,896.30 is: 2,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.62 : 4,675.23 = 1,896.30 : x
  2. Step 2: Convert to fraction form
    3,388.62/4,675.23 = 1,896.30/x
  3. Step 3: Cross multiply
    3,388.62x = 4,675.23 × 1,896.30
  4. Step 4: Simplify right side
    3,388.62x = 8,865,638.65
  5. Step 5: Solve for x
    x = 8,865,638.65/3,388.62
  6. Step 6: Final answer
    x = 2,616.30

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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.