Home / 1,441.18-2,161.77-401.14

Finding the Fourth Proportional to 1,441.18, 2,161.77 and 401.14

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Solution

The fourth proportional to 1,441.18, 2,161.77 and 401.14 is: 601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.18 : 2,161.77 = 401.14 : x
  2. Step 2: Convert to fraction form
    1,441.18/2,161.77 = 401.14/x
  3. Step 3: Cross multiply
    1,441.18x = 2,161.77 × 401.14
  4. Step 4: Simplify right side
    1,441.18x = 867,172.42
  5. Step 5: Solve for x
    x = 867,172.42/1,441.18
  6. Step 6: Final answer
    x = 601.71

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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.