Home / 2,629.96-3,629.34-1,434.94

Finding the Fourth Proportional to 2,629.96, 3,629.34 and 1,434.94

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Solution

The fourth proportional to 2,629.96, 3,629.34 and 1,434.94 is: 1,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.96 : 3,629.34 = 1,434.94 : x
  2. Step 2: Convert to fraction form
    2,629.96/3,629.34 = 1,434.94/x
  3. Step 3: Cross multiply
    2,629.96x = 3,629.34 × 1,434.94
  4. Step 4: Simplify right side
    2,629.96x = 5,207,885.14
  5. Step 5: Solve for x
    x = 5,207,885.14/2,629.96
  6. Step 6: Final answer
    x = 1,980.21

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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.