Home / 2,630.07-3,629.37-1,435.03

Finding the Fourth Proportional to 2,630.07, 3,629.37 and 1,435.03

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Solution

The fourth proportional to 2,630.07, 3,629.37 and 1,435.03 is: 1,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.07 : 3,629.37 = 1,435.03 : x
  2. Step 2: Convert to fraction form
    2,630.07/3,629.37 = 1,435.03/x
  3. Step 3: Cross multiply
    2,630.07x = 3,629.37 × 1,435.03
  4. Step 4: Simplify right side
    2,630.07x = 5,208,236.68
  5. Step 5: Solve for x
    x = 5,208,236.68/2,630.07
  6. Step 6: Final answer
    x = 1,980.27

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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.