Home / 1,847.05-2,770.57-1,115.08

Finding the Fourth Proportional to 1,847.05, 2,770.57 and 1,115.08

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Solution

The fourth proportional to 1,847.05, 2,770.57 and 1,115.08 is: 1,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.05 : 2,770.57 = 1,115.08 : x
  2. Step 2: Convert to fraction form
    1,847.05/2,770.57 = 1,115.08/x
  3. Step 3: Cross multiply
    1,847.05x = 2,770.57 × 1,115.08
  4. Step 4: Simplify right side
    1,847.05x = 3,089,401.66
  5. Step 5: Solve for x
    x = 3,089,401.66/1,847.05
  6. Step 6: Final answer
    x = 1,672.62

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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.