Home / 3,561.42-4,914.72-1,968.07

Finding the Fourth Proportional to 3,561.42, 4,914.72 and 1,968.07

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Solution

The fourth proportional to 3,561.42, 4,914.72 and 1,968.07 is: 2,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.42 : 4,914.72 = 1,968.07 : x
  2. Step 2: Convert to fraction form
    3,561.42/4,914.72 = 1,968.07/x
  3. Step 3: Cross multiply
    3,561.42x = 4,914.72 × 1,968.07
  4. Step 4: Simplify right side
    3,561.42x = 9,672,512.99
  5. Step 5: Solve for x
    x = 9,672,512.99/3,561.42
  6. Step 6: Final answer
    x = 2,715.91

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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.