Home / 3,899.67-5,848.45-1,817.64

Finding the Fourth Proportional to 3,899.67, 5,848.45 and 1,817.64

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Solution

The fourth proportional to 3,899.67, 5,848.45 and 1,817.64 is: 2,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.67 : 5,848.45 = 1,817.64 : x
  2. Step 2: Convert to fraction form
    3,899.67/5,848.45 = 1,817.64/x
  3. Step 3: Cross multiply
    3,899.67x = 5,848.45 × 1,817.64
  4. Step 4: Simplify right side
    3,899.67x = 10,630,382.34
  5. Step 5: Solve for x
    x = 10,630,382.34/3,899.67
  6. Step 6: Final answer
    x = 2,725.97

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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.