Home / 2,409.83-3,611.09-1,790.63

Finding the Fourth Proportional to 2,409.83, 3,611.09 and 1,790.63

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Solution

The fourth proportional to 2,409.83, 3,611.09 and 1,790.63 is: 2,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.83 : 3,611.09 = 1,790.63 : x
  2. Step 2: Convert to fraction form
    2,409.83/3,611.09 = 1,790.63/x
  3. Step 3: Cross multiply
    2,409.83x = 3,611.09 × 1,790.63
  4. Step 4: Simplify right side
    2,409.83x = 6,466,099.08
  5. Step 5: Solve for x
    x = 6,466,099.08/2,409.83
  6. Step 6: Final answer
    x = 2,683.22

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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.