Home / 3,561.60-4,915.07-1,968.33

Finding the Fourth Proportional to 3,561.60, 4,915.07 and 1,968.33

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Solution

The fourth proportional to 3,561.60, 4,915.07 and 1,968.33 is: 2,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.60 : 4,915.07 = 1,968.33 : x
  2. Step 2: Convert to fraction form
    3,561.60/4,915.07 = 1,968.33/x
  3. Step 3: Cross multiply
    3,561.60x = 4,915.07 × 1,968.33
  4. Step 4: Simplify right side
    3,561.60x = 9,674,479.73
  5. Step 5: Solve for x
    x = 9,674,479.73/3,561.60
  6. Step 6: Final answer
    x = 2,716.33

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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.