Home / 2,316.85-3,196.75-1,372.94

Finding the Fourth Proportional to 2,316.85, 3,196.75 and 1,372.94

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Solution

The fourth proportional to 2,316.85, 3,196.75 and 1,372.94 is: 1,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.85 : 3,196.75 = 1,372.94 : x
  2. Step 2: Convert to fraction form
    2,316.85/3,196.75 = 1,372.94/x
  3. Step 3: Cross multiply
    2,316.85x = 3,196.75 × 1,372.94
  4. Step 4: Simplify right side
    2,316.85x = 4,388,945.95
  5. Step 5: Solve for x
    x = 4,388,945.95/2,316.85
  6. Step 6: Final answer
    x = 1,894.36

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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.