Home / 3,325.65-4,589.58-1,909.33

Finding the Fourth Proportional to 3,325.65, 4,589.58 and 1,909.33

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Solution

The fourth proportional to 3,325.65, 4,589.58 and 1,909.33 is: 2,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.65 : 4,589.58 = 1,909.33 : x
  2. Step 2: Convert to fraction form
    3,325.65/4,589.58 = 1,909.33/x
  3. Step 3: Cross multiply
    3,325.65x = 4,589.58 × 1,909.33
  4. Step 4: Simplify right side
    3,325.65x = 8,763,022.78
  5. Step 5: Solve for x
    x = 8,763,022.78/3,325.65
  6. Step 6: Final answer
    x = 2,634.98

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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.