Home / 2,051.46-2,816.70-1,998

Finding the Fourth Proportional to 2,051.46, 2,816.70 and 1,998

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Solution

The fourth proportional to 2,051.46, 2,816.70 and 1,998 is: 2,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.46 : 2,816.70 = 1,998 : x
  2. Step 2: Convert to fraction form
    2,051.46/2,816.70 = 1,998/x
  3. Step 3: Cross multiply
    2,051.46x = 2,816.70 × 1,998
  4. Step 4: Simplify right side
    2,051.46x = 5,627,766.60
  5. Step 5: Solve for x
    x = 5,627,766.60/2,051.46
  6. Step 6: Final answer
    x = 2,743.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.