Home / 3,326.03-4,589.55-1,909.34

Finding the Fourth Proportional to 3,326.03, 4,589.55 and 1,909.34

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Solution

The fourth proportional to 3,326.03, 4,589.55 and 1,909.34 is: 2,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.03 : 4,589.55 = 1,909.34 : x
  2. Step 2: Convert to fraction form
    3,326.03/4,589.55 = 1,909.34/x
  3. Step 3: Cross multiply
    3,326.03x = 4,589.55 × 1,909.34
  4. Step 4: Simplify right side
    3,326.03x = 8,763,011.40
  5. Step 5: Solve for x
    x = 8,763,011.40/3,326.03
  6. Step 6: Final answer
    x = 2,634.68

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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.