Home / 3,380.33-4,662.29-2,909.01

Finding the Fourth Proportional to 3,380.33, 4,662.29 and 2,909.01

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Solution

The fourth proportional to 3,380.33, 4,662.29 and 2,909.01 is: 4,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.33 : 4,662.29 = 2,909.01 : x
  2. Step 2: Convert to fraction form
    3,380.33/4,662.29 = 2,909.01/x
  3. Step 3: Cross multiply
    3,380.33x = 4,662.29 × 2,909.01
  4. Step 4: Simplify right side
    3,380.33x = 13,562,651.17
  5. Step 5: Solve for x
    x = 13,562,651.17/3,380.33
  6. Step 6: Final answer
    x = 4,012.22

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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.