Home / 3,759.30-5,636.06-1,419.26

Finding the Fourth Proportional to 3,759.30, 5,636.06 and 1,419.26

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Solution

The fourth proportional to 3,759.30, 5,636.06 and 1,419.26 is: 2,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.30 : 5,636.06 = 1,419.26 : x
  2. Step 2: Convert to fraction form
    3,759.30/5,636.06 = 1,419.26/x
  3. Step 3: Cross multiply
    3,759.30x = 5,636.06 × 1,419.26
  4. Step 4: Simplify right side
    3,759.30x = 7,999,034.52
  5. Step 5: Solve for x
    x = 7,999,034.52/3,759.30
  6. Step 6: Final answer
    x = 2,127.80

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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.