Home / 3,453.95-5,176.29-1,260.61

Finding the Fourth Proportional to 3,453.95, 5,176.29 and 1,260.61

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Solution

The fourth proportional to 3,453.95, 5,176.29 and 1,260.61 is: 1,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.95 : 5,176.29 = 1,260.61 : x
  2. Step 2: Convert to fraction form
    3,453.95/5,176.29 = 1,260.61/x
  3. Step 3: Cross multiply
    3,453.95x = 5,176.29 × 1,260.61
  4. Step 4: Simplify right side
    3,453.95x = 6,525,282.94
  5. Step 5: Solve for x
    x = 6,525,282.94/3,453.95
  6. Step 6: Final answer
    x = 1,889.22

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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.