Home / 3,418.80-5,125.08-1,662.84

Finding the Fourth Proportional to 3,418.80, 5,125.08 and 1,662.84

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Solution

The fourth proportional to 3,418.80, 5,125.08 and 1,662.84 is: 2,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.80 : 5,125.08 = 1,662.84 : x
  2. Step 2: Convert to fraction form
    3,418.80/5,125.08 = 1,662.84/x
  3. Step 3: Cross multiply
    3,418.80x = 5,125.08 × 1,662.84
  4. Step 4: Simplify right side
    3,418.80x = 8,522,188.03
  5. Step 5: Solve for x
    x = 8,522,188.03/3,418.80
  6. Step 6: Final answer
    x = 2,492.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.