Home / 2,980.03-4,112.23-1,653.79

Finding the Fourth Proportional to 2,980.03, 4,112.23 and 1,653.79

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Solution

The fourth proportional to 2,980.03, 4,112.23 and 1,653.79 is: 2,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.03 : 4,112.23 = 1,653.79 : x
  2. Step 2: Convert to fraction form
    2,980.03/4,112.23 = 1,653.79/x
  3. Step 3: Cross multiply
    2,980.03x = 4,112.23 × 1,653.79
  4. Step 4: Simplify right side
    2,980.03x = 6,800,764.85
  5. Step 5: Solve for x
    x = 6,800,764.85/2,980.03
  6. Step 6: Final answer
    x = 2,282.11

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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.