Home / 4,102.80-6,154.54-1,181.14

Finding the Fourth Proportional to 4,102.80, 6,154.54 and 1,181.14

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Solution

The fourth proportional to 4,102.80, 6,154.54 and 1,181.14 is: 1,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.80 : 6,154.54 = 1,181.14 : x
  2. Step 2: Convert to fraction form
    4,102.80/6,154.54 = 1,181.14/x
  3. Step 3: Cross multiply
    4,102.80x = 6,154.54 × 1,181.14
  4. Step 4: Simplify right side
    4,102.80x = 7,269,373.38
  5. Step 5: Solve for x
    x = 7,269,373.38/4,102.80
  6. Step 6: Final answer
    x = 1,771.81

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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.