Home / 3,388.28-4,675.76-1,896.24

Finding the Fourth Proportional to 3,388.28, 4,675.76 and 1,896.24

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Solution

The fourth proportional to 3,388.28, 4,675.76 and 1,896.24 is: 2,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.28 : 4,675.76 = 1,896.24 : x
  2. Step 2: Convert to fraction form
    3,388.28/4,675.76 = 1,896.24/x
  3. Step 3: Cross multiply
    3,388.28x = 4,675.76 × 1,896.24
  4. Step 4: Simplify right side
    3,388.28x = 8,866,363.14
  5. Step 5: Solve for x
    x = 8,866,363.14/3,388.28
  6. Step 6: Final answer
    x = 2,616.77

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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.