Home / 3,380.99-4,665.96-1,889.28

Finding the Fourth Proportional to 3,380.99, 4,665.96 and 1,889.28

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Solution

The fourth proportional to 3,380.99, 4,665.96 and 1,889.28 is: 2,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.99 : 4,665.96 = 1,889.28 : x
  2. Step 2: Convert to fraction form
    3,380.99/4,665.96 = 1,889.28/x
  3. Step 3: Cross multiply
    3,380.99x = 4,665.96 × 1,889.28
  4. Step 4: Simplify right side
    3,380.99x = 8,815,304.91
  5. Step 5: Solve for x
    x = 8,815,304.91/3,380.99
  6. Step 6: Final answer
    x = 2,607.32

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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.