Home / 2,094.72-3,142.60-1,479.64

Finding the Fourth Proportional to 2,094.72, 3,142.60 and 1,479.64

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Solution

The fourth proportional to 2,094.72, 3,142.60 and 1,479.64 is: 2,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.72 : 3,142.60 = 1,479.64 : x
  2. Step 2: Convert to fraction form
    2,094.72/3,142.60 = 1,479.64/x
  3. Step 3: Cross multiply
    2,094.72x = 3,142.60 × 1,479.64
  4. Step 4: Simplify right side
    2,094.72x = 4,649,916.66
  5. Step 5: Solve for x
    x = 4,649,916.66/2,094.72
  6. Step 6: Final answer
    x = 2,219.83

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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.