Home / 3,564.29-4,918.67-1,992.38

Finding the Fourth Proportional to 3,564.29, 4,918.67 and 1,992.38

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Solution

The fourth proportional to 3,564.29, 4,918.67 and 1,992.38 is: 2,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.29 : 4,918.67 = 1,992.38 : x
  2. Step 2: Convert to fraction form
    3,564.29/4,918.67 = 1,992.38/x
  3. Step 3: Cross multiply
    3,564.29x = 4,918.67 × 1,992.38
  4. Step 4: Simplify right side
    3,564.29x = 9,799,825.18
  5. Step 5: Solve for x
    x = 9,799,825.18/3,564.29
  6. Step 6: Final answer
    x = 2,749.45

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1.5x scale

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.