Home / 2,177.69-3,005.26-1,233.48

Finding the Fourth Proportional to 2,177.69, 3,005.26 and 1,233.48

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Solution

The fourth proportional to 2,177.69, 3,005.26 and 1,233.48 is: 1,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.69 : 3,005.26 = 1,233.48 : x
  2. Step 2: Convert to fraction form
    2,177.69/3,005.26 = 1,233.48/x
  3. Step 3: Cross multiply
    2,177.69x = 3,005.26 × 1,233.48
  4. Step 4: Simplify right side
    2,177.69x = 3,706,928.10
  5. Step 5: Solve for x
    x = 3,706,928.10/2,177.69
  6. Step 6: Final answer
    x = 1,702.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.