Home / 2,173.94-3,261.36-1,969.82

Finding the Fourth Proportional to 2,173.94, 3,261.36 and 1,969.82

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Solution

The fourth proportional to 2,173.94, 3,261.36 and 1,969.82 is: 2,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.94 : 3,261.36 = 1,969.82 : x
  2. Step 2: Convert to fraction form
    2,173.94/3,261.36 = 1,969.82/x
  3. Step 3: Cross multiply
    2,173.94x = 3,261.36 × 1,969.82
  4. Step 4: Simplify right side
    2,173.94x = 6,424,295.47
  5. Step 5: Solve for x
    x = 6,424,295.47/2,173.94
  6. Step 6: Final answer
    x = 2,955.14

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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.