Home / 2,770.83-4,157.33-1,230.75

Finding the Fourth Proportional to 2,770.83, 4,157.33 and 1,230.75

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Solution

The fourth proportional to 2,770.83, 4,157.33 and 1,230.75 is: 1,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.83 : 4,157.33 = 1,230.75 : x
  2. Step 2: Convert to fraction form
    2,770.83/4,157.33 = 1,230.75/x
  3. Step 3: Cross multiply
    2,770.83x = 4,157.33 × 1,230.75
  4. Step 4: Simplify right side
    2,770.83x = 5,116,627.74
  5. Step 5: Solve for x
    x = 5,116,627.74/2,770.83
  6. Step 6: Final answer
    x = 1,846.60

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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.