Home / 3,065.86-4,228.60-1,945.83

Finding the Fourth Proportional to 3,065.86, 4,228.60 and 1,945.83

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Solution

The fourth proportional to 3,065.86, 4,228.60 and 1,945.83 is: 2,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.86 : 4,228.60 = 1,945.83 : x
  2. Step 2: Convert to fraction form
    3,065.86/4,228.60 = 1,945.83/x
  3. Step 3: Cross multiply
    3,065.86x = 4,228.60 × 1,945.83
  4. Step 4: Simplify right side
    3,065.86x = 8,228,136.74
  5. Step 5: Solve for x
    x = 8,228,136.74/3,065.86
  6. Step 6: Final answer
    x = 2,683.79

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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.