Home / 1,908.36-2,860.57-1,084.87

Finding the Fourth Proportional to 1,908.36, 2,860.57 and 1,084.87

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Solution

The fourth proportional to 1,908.36, 2,860.57 and 1,084.87 is: 1,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.36 : 2,860.57 = 1,084.87 : x
  2. Step 2: Convert to fraction form
    1,908.36/2,860.57 = 1,084.87/x
  3. Step 3: Cross multiply
    1,908.36x = 2,860.57 × 1,084.87
  4. Step 4: Simplify right side
    1,908.36x = 3,103,346.58
  5. Step 5: Solve for x
    x = 3,103,346.58/1,908.36
  6. Step 6: Final answer
    x = 1,626.19

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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.