Home / 2,922.80-4,033.56-1,663.96

Finding the Fourth Proportional to 2,922.80, 4,033.56 and 1,663.96

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Solution

The fourth proportional to 2,922.80, 4,033.56 and 1,663.96 is: 2,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.80 : 4,033.56 = 1,663.96 : x
  2. Step 2: Convert to fraction form
    2,922.80/4,033.56 = 1,663.96/x
  3. Step 3: Cross multiply
    2,922.80x = 4,033.56 × 1,663.96
  4. Step 4: Simplify right side
    2,922.80x = 6,711,682.50
  5. Step 5: Solve for x
    x = 6,711,682.50/2,922.80
  6. Step 6: Final answer
    x = 2,296.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.