Home / 3,439.44-5,161.56-1,490.64

Finding the Fourth Proportional to 3,439.44, 5,161.56 and 1,490.64

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Solution

The fourth proportional to 3,439.44, 5,161.56 and 1,490.64 is: 2,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.44 : 5,161.56 = 1,490.64 : x
  2. Step 2: Convert to fraction form
    3,439.44/5,161.56 = 1,490.64/x
  3. Step 3: Cross multiply
    3,439.44x = 5,161.56 × 1,490.64
  4. Step 4: Simplify right side
    3,439.44x = 7,694,027.80
  5. Step 5: Solve for x
    x = 7,694,027.80/3,439.44
  6. Step 6: Final answer
    x = 2,237.00

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1.5x scale

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.