Home / 1,755.48-2,419.56-1,361.76

Finding the Fourth Proportional to 1,755.48, 2,419.56 and 1,361.76

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Solution

The fourth proportional to 1,755.48, 2,419.56 and 1,361.76 is: 1,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.48 : 2,419.56 = 1,361.76 : x
  2. Step 2: Convert to fraction form
    1,755.48/2,419.56 = 1,361.76/x
  3. Step 3: Cross multiply
    1,755.48x = 2,419.56 × 1,361.76
  4. Step 4: Simplify right side
    1,755.48x = 3,294,860.03
  5. Step 5: Solve for x
    x = 3,294,860.03/1,755.48
  6. Step 6: Final answer
    x = 1,876.90

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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.