Home / 3,439.01-4,744.73-2,161.65

Finding the Fourth Proportional to 3,439.01, 4,744.73 and 2,161.65

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Solution

The fourth proportional to 3,439.01, 4,744.73 and 2,161.65 is: 2,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.01 : 4,744.73 = 2,161.65 : x
  2. Step 2: Convert to fraction form
    3,439.01/4,744.73 = 2,161.65/x
  3. Step 3: Cross multiply
    3,439.01x = 4,744.73 × 2,161.65
  4. Step 4: Simplify right side
    3,439.01x = 10,256,434.80
  5. Step 5: Solve for x
    x = 10,256,434.80/3,439.01
  6. Step 6: Final answer
    x = 2,982.38

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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.