Home / 4,084.65-6,129-1,619.42

Finding the Fourth Proportional to 4,084.65, 6,129 and 1,619.42

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Solution

The fourth proportional to 4,084.65, 6,129 and 1,619.42 is: 2,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.65 : 6,129 = 1,619.42 : x
  2. Step 2: Convert to fraction form
    4,084.65/6,129 = 1,619.42/x
  3. Step 3: Cross multiply
    4,084.65x = 6,129 × 1,619.42
  4. Step 4: Simplify right side
    4,084.65x = 9,925,394.54
  5. Step 5: Solve for x
    x = 9,925,394.54/4,084.65
  6. Step 6: Final answer
    x = 2,429.93

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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.