Home / 3,205.18-4,803.09-1,355.26

Finding the Fourth Proportional to 3,205.18, 4,803.09 and 1,355.26

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Solution

The fourth proportional to 3,205.18, 4,803.09 and 1,355.26 is: 2,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.18 : 4,803.09 = 1,355.26 : x
  2. Step 2: Convert to fraction form
    3,205.18/4,803.09 = 1,355.26/x
  3. Step 3: Cross multiply
    3,205.18x = 4,803.09 × 1,355.26
  4. Step 4: Simplify right side
    3,205.18x = 6,509,435.75
  5. Step 5: Solve for x
    x = 6,509,435.75/3,205.18
  6. Step 6: Final answer
    x = 2,030.91

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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.