Home / 1,418.41-2,127.16-984.25

Finding the Fourth Proportional to 1,418.41, 2,127.16 and 984.25

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Solution

The fourth proportional to 1,418.41, 2,127.16 and 984.25 is: 1,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.41 : 2,127.16 = 984.25 : x
  2. Step 2: Convert to fraction form
    1,418.41/2,127.16 = 984.25/x
  3. Step 3: Cross multiply
    1,418.41x = 2,127.16 × 984.25
  4. Step 4: Simplify right side
    1,418.41x = 2,093,657.23
  5. Step 5: Solve for x
    x = 2,093,657.23/1,418.41
  6. Step 6: Final answer
    x = 1,476.06

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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.