Home / 2,847.96-4,272.56-1,116.60

Finding the Fourth Proportional to 2,847.96, 4,272.56 and 1,116.60

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Solution

The fourth proportional to 2,847.96, 4,272.56 and 1,116.60 is: 1,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.96 : 4,272.56 = 1,116.60 : x
  2. Step 2: Convert to fraction form
    2,847.96/4,272.56 = 1,116.60/x
  3. Step 3: Cross multiply
    2,847.96x = 4,272.56 × 1,116.60
  4. Step 4: Simplify right side
    2,847.96x = 4,770,740.50
  5. Step 5: Solve for x
    x = 4,770,740.50/2,847.96
  6. Step 6: Final answer
    x = 1,675.14

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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.