Home / 3,159.70-4,739.46-1,285.54

Finding the Fourth Proportional to 3,159.70, 4,739.46 and 1,285.54

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Solution

The fourth proportional to 3,159.70, 4,739.46 and 1,285.54 is: 1,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.70 : 4,739.46 = 1,285.54 : x
  2. Step 2: Convert to fraction form
    3,159.70/4,739.46 = 1,285.54/x
  3. Step 3: Cross multiply
    3,159.70x = 4,739.46 × 1,285.54
  4. Step 4: Simplify right side
    3,159.70x = 6,092,765.41
  5. Step 5: Solve for x
    x = 6,092,765.41/3,159.70
  6. Step 6: Final answer
    x = 1,928.27

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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.