Home / 1,427.26-2,141.24-401.26

Finding the Fourth Proportional to 1,427.26, 2,141.24 and 401.26

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Solution

The fourth proportional to 1,427.26, 2,141.24 and 401.26 is: 601.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.26 : 2,141.24 = 401.26 : x
  2. Step 2: Convert to fraction form
    1,427.26/2,141.24 = 401.26/x
  3. Step 3: Cross multiply
    1,427.26x = 2,141.24 × 401.26
  4. Step 4: Simplify right side
    1,427.26x = 859,193.96
  5. Step 5: Solve for x
    x = 859,193.96/1,427.26
  6. Step 6: Final answer
    x = 601.99

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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.