Home / 3,538.03-4,882.53-2,140.78

Finding the Fourth Proportional to 3,538.03, 4,882.53 and 2,140.78

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Solution

The fourth proportional to 3,538.03, 4,882.53 and 2,140.78 is: 2,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.03 : 4,882.53 = 2,140.78 : x
  2. Step 2: Convert to fraction form
    3,538.03/4,882.53 = 2,140.78/x
  3. Step 3: Cross multiply
    3,538.03x = 4,882.53 × 2,140.78
  4. Step 4: Simplify right side
    3,538.03x = 10,452,422.57
  5. Step 5: Solve for x
    x = 10,452,422.57/3,538.03
  6. Step 6: Final answer
    x = 2,954.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.