Home / 4,181.93-6,271.81-1,986.29

Finding the Fourth Proportional to 4,181.93, 6,271.81 and 1,986.29

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Solution

The fourth proportional to 4,181.93, 6,271.81 and 1,986.29 is: 2,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.93 : 6,271.81 = 1,986.29 : x
  2. Step 2: Convert to fraction form
    4,181.93/6,271.81 = 1,986.29/x
  3. Step 3: Cross multiply
    4,181.93x = 6,271.81 × 1,986.29
  4. Step 4: Simplify right side
    4,181.93x = 12,457,633.48
  5. Step 5: Solve for x
    x = 12,457,633.48/4,181.93
  6. Step 6: Final answer
    x = 2,978.92

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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.