Home / 2,740.69-4,110.99-1,861.01

Finding the Fourth Proportional to 2,740.69, 4,110.99 and 1,861.01

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Solution

The fourth proportional to 2,740.69, 4,110.99 and 1,861.01 is: 2,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.69 : 4,110.99 = 1,861.01 : x
  2. Step 2: Convert to fraction form
    2,740.69/4,110.99 = 1,861.01/x
  3. Step 3: Cross multiply
    2,740.69x = 4,110.99 × 1,861.01
  4. Step 4: Simplify right side
    2,740.69x = 7,650,593.50
  5. Step 5: Solve for x
    x = 7,650,593.50/2,740.69
  6. Step 6: Final answer
    x = 2,791.48

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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.