Home / 3,678.84-5,518.26-1,370.04

Finding the Fourth Proportional to 3,678.84, 5,518.26 and 1,370.04

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Solution

The fourth proportional to 3,678.84, 5,518.26 and 1,370.04 is: 2,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.84 : 5,518.26 = 1,370.04 : x
  2. Step 2: Convert to fraction form
    3,678.84/5,518.26 = 1,370.04/x
  3. Step 3: Cross multiply
    3,678.84x = 5,518.26 × 1,370.04
  4. Step 4: Simplify right side
    3,678.84x = 7,560,236.93
  5. Step 5: Solve for x
    x = 7,560,236.93/3,678.84
  6. Step 6: Final answer
    x = 2,055.06

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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.