Home / 2,195.04-3,292.38-1,155

Finding the Fourth Proportional to 2,195.04, 3,292.38 and 1,155

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Solution

The fourth proportional to 2,195.04, 3,292.38 and 1,155 is: 1,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.04 : 3,292.38 = 1,155 : x
  2. Step 2: Convert to fraction form
    2,195.04/3,292.38 = 1,155/x
  3. Step 3: Cross multiply
    2,195.04x = 3,292.38 × 1,155
  4. Step 4: Simplify right side
    2,195.04x = 3,802,698.90
  5. Step 5: Solve for x
    x = 3,802,698.90/2,195.04
  6. Step 6: Final answer
    x = 1,732.41

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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.