Home / 1,945.22-2,683.13-1,237.28

Finding the Fourth Proportional to 1,945.22, 2,683.13 and 1,237.28

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Solution

The fourth proportional to 1,945.22, 2,683.13 and 1,237.28 is: 1,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.22 : 2,683.13 = 1,237.28 : x
  2. Step 2: Convert to fraction form
    1,945.22/2,683.13 = 1,237.28/x
  3. Step 3: Cross multiply
    1,945.22x = 2,683.13 × 1,237.28
  4. Step 4: Simplify right side
    1,945.22x = 3,319,763.48
  5. Step 5: Solve for x
    x = 3,319,763.48/1,945.22
  6. Step 6: Final answer
    x = 1,706.63

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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.