Home / 3,412.23-5,121.58-1,769.95

Finding the Fourth Proportional to 3,412.23, 5,121.58 and 1,769.95

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Solution

The fourth proportional to 3,412.23, 5,121.58 and 1,769.95 is: 2,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.23 : 5,121.58 = 1,769.95 : x
  2. Step 2: Convert to fraction form
    3,412.23/5,121.58 = 1,769.95/x
  3. Step 3: Cross multiply
    3,412.23x = 5,121.58 × 1,769.95
  4. Step 4: Simplify right side
    3,412.23x = 9,064,940.52
  5. Step 5: Solve for x
    x = 9,064,940.52/3,412.23
  6. Step 6: Final answer
    x = 2,656.60

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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.