Home / 3,072.89-4,610.14-1,611.65

Finding the Fourth Proportional to 3,072.89, 4,610.14 and 1,611.65

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Solution

The fourth proportional to 3,072.89, 4,610.14 and 1,611.65 is: 2,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.89 : 4,610.14 = 1,611.65 : x
  2. Step 2: Convert to fraction form
    3,072.89/4,610.14 = 1,611.65/x
  3. Step 3: Cross multiply
    3,072.89x = 4,610.14 × 1,611.65
  4. Step 4: Simplify right side
    3,072.89x = 7,429,932.13
  5. Step 5: Solve for x
    x = 7,429,932.13/3,072.89
  6. Step 6: Final answer
    x = 2,417.90

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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.