Home / 3,081.20-4,252.06-1,683.94

Finding the Fourth Proportional to 3,081.20, 4,252.06 and 1,683.94

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Solution

The fourth proportional to 3,081.20, 4,252.06 and 1,683.94 is: 2,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.20 : 4,252.06 = 1,683.94 : x
  2. Step 2: Convert to fraction form
    3,081.20/4,252.06 = 1,683.94/x
  3. Step 3: Cross multiply
    3,081.20x = 4,252.06 × 1,683.94
  4. Step 4: Simplify right side
    3,081.20x = 7,160,213.92
  5. Step 5: Solve for x
    x = 7,160,213.92/3,081.20
  6. Step 6: Final answer
    x = 2,323.84

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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.