Home / 3,515.19-5,273.25-1,293.72

Finding the Fourth Proportional to 3,515.19, 5,273.25 and 1,293.72

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Solution

The fourth proportional to 3,515.19, 5,273.25 and 1,293.72 is: 1,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.19 : 5,273.25 = 1,293.72 : x
  2. Step 2: Convert to fraction form
    3,515.19/5,273.25 = 1,293.72/x
  3. Step 3: Cross multiply
    3,515.19x = 5,273.25 × 1,293.72
  4. Step 4: Simplify right side
    3,515.19x = 6,822,108.99
  5. Step 5: Solve for x
    x = 6,822,108.99/3,515.19
  6. Step 6: Final answer
    x = 1,940.75

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1.5x scale

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.