Home / 1,904.46-2,856.78-1,084.33

Finding the Fourth Proportional to 1,904.46, 2,856.78 and 1,084.33

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Solution

The fourth proportional to 1,904.46, 2,856.78 and 1,084.33 is: 1,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.46 : 2,856.78 = 1,084.33 : x
  2. Step 2: Convert to fraction form
    1,904.46/2,856.78 = 1,084.33/x
  3. Step 3: Cross multiply
    1,904.46x = 2,856.78 × 1,084.33
  4. Step 4: Simplify right side
    1,904.46x = 3,097,692.26
  5. Step 5: Solve for x
    x = 3,097,692.26/1,904.46
  6. Step 6: Final answer
    x = 1,626.55

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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.