Home / 2,381.33-3,285.96-1,318.97

Finding the Fourth Proportional to 2,381.33, 3,285.96 and 1,318.97

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Solution

The fourth proportional to 2,381.33, 3,285.96 and 1,318.97 is: 1,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.33 : 3,285.96 = 1,318.97 : x
  2. Step 2: Convert to fraction form
    2,381.33/3,285.96 = 1,318.97/x
  3. Step 3: Cross multiply
    2,381.33x = 3,285.96 × 1,318.97
  4. Step 4: Simplify right side
    2,381.33x = 4,334,082.66
  5. Step 5: Solve for x
    x = 4,334,082.66/2,381.33
  6. Step 6: Final answer
    x = 1,820.03

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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.