Home / 1,427.99-2,142.63-1,304.96

Finding the Fourth Proportional to 1,427.99, 2,142.63 and 1,304.96

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Solution

The fourth proportional to 1,427.99, 2,142.63 and 1,304.96 is: 1,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.99 : 2,142.63 = 1,304.96 : x
  2. Step 2: Convert to fraction form
    1,427.99/2,142.63 = 1,304.96/x
  3. Step 3: Cross multiply
    1,427.99x = 2,142.63 × 1,304.96
  4. Step 4: Simplify right side
    1,427.99x = 2,796,035.73
  5. Step 5: Solve for x
    x = 2,796,035.73/1,427.99
  6. Step 6: Final answer
    x = 1,958.03

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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.