Home / 2,639.03-3,955.49-1,157.69

Finding the Fourth Proportional to 2,639.03, 3,955.49 and 1,157.69

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Solution

The fourth proportional to 2,639.03, 3,955.49 and 1,157.69 is: 1,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.03 : 3,955.49 = 1,157.69 : x
  2. Step 2: Convert to fraction form
    2,639.03/3,955.49 = 1,157.69/x
  3. Step 3: Cross multiply
    2,639.03x = 3,955.49 × 1,157.69
  4. Step 4: Simplify right side
    2,639.03x = 4,579,214.33
  5. Step 5: Solve for x
    x = 4,579,214.33/2,639.03
  6. Step 6: Final answer
    x = 1,735.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.