Home / 2,205.45-3,309.66-973.22

Finding the Fourth Proportional to 2,205.45, 3,309.66 and 973.22

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Solution

The fourth proportional to 2,205.45, 3,309.66 and 973.22 is: 1,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.45 : 3,309.66 = 973.22 : x
  2. Step 2: Convert to fraction form
    2,205.45/3,309.66 = 973.22/x
  3. Step 3: Cross multiply
    2,205.45x = 3,309.66 × 973.22
  4. Step 4: Simplify right side
    2,205.45x = 3,221,010.76
  5. Step 5: Solve for x
    x = 3,221,010.76/2,205.45
  6. Step 6: Final answer
    x = 1,460.48

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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.