Home / 3,181.16-4,773.34-2,153

Finding the Fourth Proportional to 3,181.16, 4,773.34 and 2,153

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Solution

The fourth proportional to 3,181.16, 4,773.34 and 2,153 is: 3,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.16 : 4,773.34 = 2,153 : x
  2. Step 2: Convert to fraction form
    3,181.16/4,773.34 = 2,153/x
  3. Step 3: Cross multiply
    3,181.16x = 4,773.34 × 2,153
  4. Step 4: Simplify right side
    3,181.16x = 10,277,001.02
  5. Step 5: Solve for x
    x = 10,277,001.02/3,181.16
  6. Step 6: Final answer
    x = 3,230.58

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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.