Home / 3,425.09-5,137.63-1,085.02

Finding the Fourth Proportional to 3,425.09, 5,137.63 and 1,085.02

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Solution

The fourth proportional to 3,425.09, 5,137.63 and 1,085.02 is: 1,627.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.09 : 5,137.63 = 1,085.02 : x
  2. Step 2: Convert to fraction form
    3,425.09/5,137.63 = 1,085.02/x
  3. Step 3: Cross multiply
    3,425.09x = 5,137.63 × 1,085.02
  4. Step 4: Simplify right side
    3,425.09x = 5,574,415.75
  5. Step 5: Solve for x
    x = 5,574,415.75/3,425.09
  6. Step 6: Final answer
    x = 1,627.53

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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.