Home / 2,636.36-3,638.11-1,441.29

Finding the Fourth Proportional to 2,636.36, 3,638.11 and 1,441.29

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Solution

The fourth proportional to 2,636.36, 3,638.11 and 1,441.29 is: 1,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.36 : 3,638.11 = 1,441.29 : x
  2. Step 2: Convert to fraction form
    2,636.36/3,638.11 = 1,441.29/x
  3. Step 3: Cross multiply
    2,636.36x = 3,638.11 × 1,441.29
  4. Step 4: Simplify right side
    2,636.36x = 5,243,567.96
  5. Step 5: Solve for x
    x = 5,243,567.96/2,636.36
  6. Step 6: Final answer
    x = 1,988.95

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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.