Home / 1,416.49-1,954.94-1,084.79

Finding the Fourth Proportional to 1,416.49, 1,954.94 and 1,084.79

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Solution

The fourth proportional to 1,416.49, 1,954.94 and 1,084.79 is: 1,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.49 : 1,954.94 = 1,084.79 : x
  2. Step 2: Convert to fraction form
    1,416.49/1,954.94 = 1,084.79/x
  3. Step 3: Cross multiply
    1,416.49x = 1,954.94 × 1,084.79
  4. Step 4: Simplify right side
    1,416.49x = 2,120,698.83
  5. Step 5: Solve for x
    x = 2,120,698.83/1,416.49
  6. Step 6: Final answer
    x = 1,497.15

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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.