Home / 3,071.94-4,608.81-1,429.86

Finding the Fourth Proportional to 3,071.94, 4,608.81 and 1,429.86

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Solution

The fourth proportional to 3,071.94, 4,608.81 and 1,429.86 is: 2,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.94 : 4,608.81 = 1,429.86 : x
  2. Step 2: Convert to fraction form
    3,071.94/4,608.81 = 1,429.86/x
  3. Step 3: Cross multiply
    3,071.94x = 4,608.81 × 1,429.86
  4. Step 4: Simplify right side
    3,071.94x = 6,589,953.07
  5. Step 5: Solve for x
    x = 6,589,953.07/3,071.94
  6. Step 6: Final answer
    x = 2,145.21

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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.