Home / 2,861.10-4,292.46-1,106.64

Finding the Fourth Proportional to 2,861.10, 4,292.46 and 1,106.64

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Solution

The fourth proportional to 2,861.10, 4,292.46 and 1,106.64 is: 1,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.10 : 4,292.46 = 1,106.64 : x
  2. Step 2: Convert to fraction form
    2,861.10/4,292.46 = 1,106.64/x
  3. Step 3: Cross multiply
    2,861.10x = 4,292.46 × 1,106.64
  4. Step 4: Simplify right side
    2,861.10x = 4,750,207.93
  5. Step 5: Solve for x
    x = 4,750,207.93/2,861.10
  6. Step 6: Final answer
    x = 1,660.27

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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.