Home / 3,738.19-5,603.29-1,982.10

Finding the Fourth Proportional to 3,738.19, 5,603.29 and 1,982.10

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Solution

The fourth proportional to 3,738.19, 5,603.29 and 1,982.10 is: 2,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.19 : 5,603.29 = 1,982.10 : x
  2. Step 2: Convert to fraction form
    3,738.19/5,603.29 = 1,982.10/x
  3. Step 3: Cross multiply
    3,738.19x = 5,603.29 × 1,982.10
  4. Step 4: Simplify right side
    3,738.19x = 11,106,281.11
  5. Step 5: Solve for x
    x = 11,106,281.11/3,738.19
  6. Step 6: Final answer
    x = 2,971.03

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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.