Home / 1,928.50-2,893.76-1,051.62

Finding the Fourth Proportional to 1,928.50, 2,893.76 and 1,051.62

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Solution

The fourth proportional to 1,928.50, 2,893.76 and 1,051.62 is: 1,577.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.50 : 2,893.76 = 1,051.62 : x
  2. Step 2: Convert to fraction form
    1,928.50/2,893.76 = 1,051.62/x
  3. Step 3: Cross multiply
    1,928.50x = 2,893.76 × 1,051.62
  4. Step 4: Simplify right side
    1,928.50x = 3,043,135.89
  5. Step 5: Solve for x
    x = 3,043,135.89/1,928.50
  6. Step 6: Final answer
    x = 1,577.98

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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.