Home / 1,241.34-1,862.37-1,105.35

Finding the Fourth Proportional to 1,241.34, 1,862.37 and 1,105.35

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Solution

The fourth proportional to 1,241.34, 1,862.37 and 1,105.35 is: 1,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.34 : 1,862.37 = 1,105.35 : x
  2. Step 2: Convert to fraction form
    1,241.34/1,862.37 = 1,105.35/x
  3. Step 3: Cross multiply
    1,241.34x = 1,862.37 × 1,105.35
  4. Step 4: Simplify right side
    1,241.34x = 2,058,570.68
  5. Step 5: Solve for x
    x = 2,058,570.68/1,241.34
  6. Step 6: Final answer
    x = 1,658.35

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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.