Home / 3,564.39-4,918.68-1,992.18

Finding the Fourth Proportional to 3,564.39, 4,918.68 and 1,992.18

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Solution

The fourth proportional to 3,564.39, 4,918.68 and 1,992.18 is: 2,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.39 : 4,918.68 = 1,992.18 : x
  2. Step 2: Convert to fraction form
    3,564.39/4,918.68 = 1,992.18/x
  3. Step 3: Cross multiply
    3,564.39x = 4,918.68 × 1,992.18
  4. Step 4: Simplify right side
    3,564.39x = 9,798,895.92
  5. Step 5: Solve for x
    x = 9,798,895.92/3,564.39
  6. Step 6: Final answer
    x = 2,749.11

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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.