Home / 2,912.10-4,365.70-1,181.94

Finding the Fourth Proportional to 2,912.10, 4,365.70 and 1,181.94

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Solution

The fourth proportional to 2,912.10, 4,365.70 and 1,181.94 is: 1,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.10 : 4,365.70 = 1,181.94 : x
  2. Step 2: Convert to fraction form
    2,912.10/4,365.70 = 1,181.94/x
  3. Step 3: Cross multiply
    2,912.10x = 4,365.70 × 1,181.94
  4. Step 4: Simplify right side
    2,912.10x = 5,159,995.46
  5. Step 5: Solve for x
    x = 5,159,995.46/2,912.10
  6. Step 6: Final answer
    x = 1,771.92

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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.