Home / 2,848.72-4,261.81-2,157.38

Finding the Fourth Proportional to 2,848.72, 4,261.81 and 2,157.38

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Solution

The fourth proportional to 2,848.72, 4,261.81 and 2,157.38 is: 3,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.72 : 4,261.81 = 2,157.38 : x
  2. Step 2: Convert to fraction form
    2,848.72/4,261.81 = 2,157.38/x
  3. Step 3: Cross multiply
    2,848.72x = 4,261.81 × 2,157.38
  4. Step 4: Simplify right side
    2,848.72x = 9,194,343.66
  5. Step 5: Solve for x
    x = 9,194,343.66/2,848.72
  6. Step 6: Final answer
    x = 3,227.54

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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.