Home / 3,409.26-4,703.31-2,149.31

Finding the Fourth Proportional to 3,409.26, 4,703.31 and 2,149.31

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Solution

The fourth proportional to 3,409.26, 4,703.31 and 2,149.31 is: 2,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.26 : 4,703.31 = 2,149.31 : x
  2. Step 2: Convert to fraction form
    3,409.26/4,703.31 = 2,149.31/x
  3. Step 3: Cross multiply
    3,409.26x = 4,703.31 × 2,149.31
  4. Step 4: Simplify right side
    3,409.26x = 10,108,847.70
  5. Step 5: Solve for x
    x = 10,108,847.70/3,409.26
  6. Step 6: Final answer
    x = 2,965.11

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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.