Home / 1,966.82-2,715.48-1,370.57

Finding the Fourth Proportional to 1,966.82, 2,715.48 and 1,370.57

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Solution

The fourth proportional to 1,966.82, 2,715.48 and 1,370.57 is: 1,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.82 : 2,715.48 = 1,370.57 : x
  2. Step 2: Convert to fraction form
    1,966.82/2,715.48 = 1,370.57/x
  3. Step 3: Cross multiply
    1,966.82x = 2,715.48 × 1,370.57
  4. Step 4: Simplify right side
    1,966.82x = 3,721,741.85
  5. Step 5: Solve for x
    x = 3,721,741.85/1,966.82
  6. Step 6: Final answer
    x = 1,892.27

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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.