Home / 3,325.63-4,589.32-1,909.29

Finding the Fourth Proportional to 3,325.63, 4,589.32 and 1,909.29

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Solution

The fourth proportional to 3,325.63, 4,589.32 and 1,909.29 is: 2,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.63 : 4,589.32 = 1,909.29 : x
  2. Step 2: Convert to fraction form
    3,325.63/4,589.32 = 1,909.29/x
  3. Step 3: Cross multiply
    3,325.63x = 4,589.32 × 1,909.29
  4. Step 4: Simplify right side
    3,325.63x = 8,762,342.78
  5. Step 5: Solve for x
    x = 8,762,342.78/3,325.63
  6. Step 6: Final answer
    x = 2,634.79

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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.