Home / 2,770.96-3,823.08-1,941.52

Finding the Fourth Proportional to 2,770.96, 3,823.08 and 1,941.52

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Solution

The fourth proportional to 2,770.96, 3,823.08 and 1,941.52 is: 2,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.96 : 3,823.08 = 1,941.52 : x
  2. Step 2: Convert to fraction form
    2,770.96/3,823.08 = 1,941.52/x
  3. Step 3: Cross multiply
    2,770.96x = 3,823.08 × 1,941.52
  4. Step 4: Simplify right side
    2,770.96x = 7,422,586.28
  5. Step 5: Solve for x
    x = 7,422,586.28/2,770.96
  6. Step 6: Final answer
    x = 2,678.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.