Home / 2,861.93-4,292.60-1,396.64

Finding the Fourth Proportional to 2,861.93, 4,292.60 and 1,396.64

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Solution

The fourth proportional to 2,861.93, 4,292.60 and 1,396.64 is: 2,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.93 : 4,292.60 = 1,396.64 : x
  2. Step 2: Convert to fraction form
    2,861.93/4,292.60 = 1,396.64/x
  3. Step 3: Cross multiply
    2,861.93x = 4,292.60 × 1,396.64
  4. Step 4: Simplify right side
    2,861.93x = 5,995,220.61
  5. Step 5: Solve for x
    x = 5,995,220.61/2,861.93
  6. Step 6: Final answer
    x = 2,094.82

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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.