Home / 3,213.76-4,434.94-1,797.48

Finding the Fourth Proportional to 3,213.76, 4,434.94 and 1,797.48

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Solution

The fourth proportional to 3,213.76, 4,434.94 and 1,797.48 is: 2,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.76 : 4,434.94 = 1,797.48 : x
  2. Step 2: Convert to fraction form
    3,213.76/4,434.94 = 1,797.48/x
  3. Step 3: Cross multiply
    3,213.76x = 4,434.94 × 1,797.48
  4. Step 4: Simplify right side
    3,213.76x = 7,971,715.95
  5. Step 5: Solve for x
    x = 7,971,715.95/3,213.76
  6. Step 6: Final answer
    x = 2,480.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.