Home / 2,980.26-4,112.58-1,653.89

Finding the Fourth Proportional to 2,980.26, 4,112.58 and 1,653.89

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Solution

The fourth proportional to 2,980.26, 4,112.58 and 1,653.89 is: 2,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.26 : 4,112.58 = 1,653.89 : x
  2. Step 2: Convert to fraction form
    2,980.26/4,112.58 = 1,653.89/x
  3. Step 3: Cross multiply
    2,980.26x = 4,112.58 × 1,653.89
  4. Step 4: Simplify right side
    2,980.26x = 6,801,734.37
  5. Step 5: Solve for x
    x = 6,801,734.37/2,980.26
  6. Step 6: Final answer
    x = 2,282.26

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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.