Home / 3,020.88-4,167.61-1,839.90

Finding the Fourth Proportional to 3,020.88, 4,167.61 and 1,839.90

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Solution

The fourth proportional to 3,020.88, 4,167.61 and 1,839.90 is: 2,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.88 : 4,167.61 = 1,839.90 : x
  2. Step 2: Convert to fraction form
    3,020.88/4,167.61 = 1,839.90/x
  3. Step 3: Cross multiply
    3,020.88x = 4,167.61 × 1,839.90
  4. Step 4: Simplify right side
    3,020.88x = 7,667,985.64
  5. Step 5: Solve for x
    x = 7,667,985.64/3,020.88
  6. Step 6: Final answer
    x = 2,538.33

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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.