Home / 3,504.25-5,256.38-1,425.39

Finding the Fourth Proportional to 3,504.25, 5,256.38 and 1,425.39

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Solution

The fourth proportional to 3,504.25, 5,256.38 and 1,425.39 is: 2,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.25 : 5,256.38 = 1,425.39 : x
  2. Step 2: Convert to fraction form
    3,504.25/5,256.38 = 1,425.39/x
  3. Step 3: Cross multiply
    3,504.25x = 5,256.38 × 1,425.39
  4. Step 4: Simplify right side
    3,504.25x = 7,492,358.08
  5. Step 5: Solve for x
    x = 7,492,358.08/3,504.25
  6. Step 6: Final answer
    x = 2,138.08

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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.