Home / 3,289.76-4,539.57-1,892.42

Finding the Fourth Proportional to 3,289.76, 4,539.57 and 1,892.42

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Solution

The fourth proportional to 3,289.76, 4,539.57 and 1,892.42 is: 2,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.76 : 4,539.57 = 1,892.42 : x
  2. Step 2: Convert to fraction form
    3,289.76/4,539.57 = 1,892.42/x
  3. Step 3: Cross multiply
    3,289.76x = 4,539.57 × 1,892.42
  4. Step 4: Simplify right side
    3,289.76x = 8,590,773.06
  5. Step 5: Solve for x
    x = 8,590,773.06/3,289.76
  6. Step 6: Final answer
    x = 2,611.37

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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.