Home / 3,486.50-5,222.67-1,635.02

Finding the Fourth Proportional to 3,486.50, 5,222.67 and 1,635.02

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Solution

The fourth proportional to 3,486.50, 5,222.67 and 1,635.02 is: 2,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.50 : 5,222.67 = 1,635.02 : x
  2. Step 2: Convert to fraction form
    3,486.50/5,222.67 = 1,635.02/x
  3. Step 3: Cross multiply
    3,486.50x = 5,222.67 × 1,635.02
  4. Step 4: Simplify right side
    3,486.50x = 8,539,169.90
  5. Step 5: Solve for x
    x = 8,539,169.90/3,486.50
  6. Step 6: Final answer
    x = 2,449.21

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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.