Home / 3,289.42-4,539.90-1,892.08

Finding the Fourth Proportional to 3,289.42, 4,539.90 and 1,892.08

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Solution

The fourth proportional to 3,289.42, 4,539.90 and 1,892.08 is: 2,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.42 : 4,539.90 = 1,892.08 : x
  2. Step 2: Convert to fraction form
    3,289.42/4,539.90 = 1,892.08/x
  3. Step 3: Cross multiply
    3,289.42x = 4,539.90 × 1,892.08
  4. Step 4: Simplify right side
    3,289.42x = 8,589,853.99
  5. Step 5: Solve for x
    x = 8,589,853.99/3,289.42
  6. Step 6: Final answer
    x = 2,611.36

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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.