Home / 3,307.36-4,563.18-1,891

Finding the Fourth Proportional to 3,307.36, 4,563.18 and 1,891

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Solution

The fourth proportional to 3,307.36, 4,563.18 and 1,891 is: 2,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.36 : 4,563.18 = 1,891 : x
  2. Step 2: Convert to fraction form
    3,307.36/4,563.18 = 1,891/x
  3. Step 3: Cross multiply
    3,307.36x = 4,563.18 × 1,891
  4. Step 4: Simplify right side
    3,307.36x = 8,628,973.38
  5. Step 5: Solve for x
    x = 8,628,973.38/3,307.36
  6. Step 6: Final answer
    x = 2,609.02

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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.