Home / 3,205.55-4,809.81-1,230.52

Finding the Fourth Proportional to 3,205.55, 4,809.81 and 1,230.52

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Solution

The fourth proportional to 3,205.55, 4,809.81 and 1,230.52 is: 1,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.55 : 4,809.81 = 1,230.52 : x
  2. Step 2: Convert to fraction form
    3,205.55/4,809.81 = 1,230.52/x
  3. Step 3: Cross multiply
    3,205.55x = 4,809.81 × 1,230.52
  4. Step 4: Simplify right side
    3,205.55x = 5,918,567.40
  5. Step 5: Solve for x
    x = 5,918,567.40/3,205.55
  6. Step 6: Final answer
    x = 1,846.35

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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.