Home / 1,928.90-2,893.34-1,106.59

Finding the Fourth Proportional to 1,928.90, 2,893.34 and 1,106.59

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Solution

The fourth proportional to 1,928.90, 2,893.34 and 1,106.59 is: 1,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.90 : 2,893.34 = 1,106.59 : x
  2. Step 2: Convert to fraction form
    1,928.90/2,893.34 = 1,106.59/x
  3. Step 3: Cross multiply
    1,928.90x = 2,893.34 × 1,106.59
  4. Step 4: Simplify right side
    1,928.90x = 3,201,728.34
  5. Step 5: Solve for x
    x = 3,201,728.34/1,928.90
  6. Step 6: Final answer
    x = 1,659.87

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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.