Home / 2,028.72-3,043.16-917.93

Finding the Fourth Proportional to 2,028.72, 3,043.16 and 917.93

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Solution

The fourth proportional to 2,028.72, 3,043.16 and 917.93 is: 1,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.72 : 3,043.16 = 917.93 : x
  2. Step 2: Convert to fraction form
    2,028.72/3,043.16 = 917.93/x
  3. Step 3: Cross multiply
    2,028.72x = 3,043.16 × 917.93
  4. Step 4: Simplify right side
    2,028.72x = 2,793,388.05
  5. Step 5: Solve for x
    x = 2,793,388.05/2,028.72
  6. Step 6: Final answer
    x = 1,376.92

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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.