Home / 3,453.08-5,176.74-1,371.78

Finding the Fourth Proportional to 3,453.08, 5,176.74 and 1,371.78

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Solution

The fourth proportional to 3,453.08, 5,176.74 and 1,371.78 is: 2,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.08 : 5,176.74 = 1,371.78 : x
  2. Step 2: Convert to fraction form
    3,453.08/5,176.74 = 1,371.78/x
  3. Step 3: Cross multiply
    3,453.08x = 5,176.74 × 1,371.78
  4. Step 4: Simplify right side
    3,453.08x = 7,101,348.40
  5. Step 5: Solve for x
    x = 7,101,348.40/3,453.08
  6. Step 6: Final answer
    x = 2,056.53

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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.