Home / 2,208.20-3,309.69-973.03

Finding the Fourth Proportional to 2,208.20, 3,309.69 and 973.03

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Solution

The fourth proportional to 2,208.20, 3,309.69 and 973.03 is: 1,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.20 : 3,309.69 = 973.03 : x
  2. Step 2: Convert to fraction form
    2,208.20/3,309.69 = 973.03/x
  3. Step 3: Cross multiply
    2,208.20x = 3,309.69 × 973.03
  4. Step 4: Simplify right side
    2,208.20x = 3,220,419.39
  5. Step 5: Solve for x
    x = 3,220,419.39/2,208.20
  6. Step 6: Final answer
    x = 1,458.39

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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.