Home / 2,917.42-4,378.46-1,273.73

Finding the Fourth Proportional to 2,917.42, 4,378.46 and 1,273.73

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Solution

The fourth proportional to 2,917.42, 4,378.46 and 1,273.73 is: 1,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.42 : 4,378.46 = 1,273.73 : x
  2. Step 2: Convert to fraction form
    2,917.42/4,378.46 = 1,273.73/x
  3. Step 3: Cross multiply
    2,917.42x = 4,378.46 × 1,273.73
  4. Step 4: Simplify right side
    2,917.42x = 5,576,947.59
  5. Step 5: Solve for x
    x = 5,576,947.59/2,917.42
  6. Step 6: Final answer
    x = 1,911.60

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1.5x scale

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.