Home / 3,439.65-4,739.67-2,844.30

Finding the Fourth Proportional to 3,439.65, 4,739.67 and 2,844.30

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Solution

The fourth proportional to 3,439.65, 4,739.67 and 2,844.30 is: 3,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.65 : 4,739.67 = 2,844.30 : x
  2. Step 2: Convert to fraction form
    3,439.65/4,739.67 = 2,844.30/x
  3. Step 3: Cross multiply
    3,439.65x = 4,739.67 × 2,844.30
  4. Step 4: Simplify right side
    3,439.65x = 13,481,043.38
  5. Step 5: Solve for x
    x = 13,481,043.38/3,439.65
  6. Step 6: Final answer
    x = 3,919.31

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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.