Home / 2,861.10-4,289.60-1,104.60

Finding the Fourth Proportional to 2,861.10, 4,289.60 and 1,104.60

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Solution

The fourth proportional to 2,861.10, 4,289.60 and 1,104.60 is: 1,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.10 : 4,289.60 = 1,104.60 : x
  2. Step 2: Convert to fraction form
    2,861.10/4,289.60 = 1,104.60/x
  3. Step 3: Cross multiply
    2,861.10x = 4,289.60 × 1,104.60
  4. Step 4: Simplify right side
    2,861.10x = 4,738,292.16
  5. Step 5: Solve for x
    x = 4,738,292.16/2,861.10
  6. Step 6: Final answer
    x = 1,656.11

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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.