Home / 3,072.96-4,611.04-1,430.70

Finding the Fourth Proportional to 3,072.96, 4,611.04 and 1,430.70

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Solution

The fourth proportional to 3,072.96, 4,611.04 and 1,430.70 is: 2,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.96 : 4,611.04 = 1,430.70 : x
  2. Step 2: Convert to fraction form
    3,072.96/4,611.04 = 1,430.70/x
  3. Step 3: Cross multiply
    3,072.96x = 4,611.04 × 1,430.70
  4. Step 4: Simplify right side
    3,072.96x = 6,597,014.93
  5. Step 5: Solve for x
    x = 6,597,014.93/3,072.96
  6. Step 6: Final answer
    x = 2,146.79

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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.