Home / 3,564.30-4,918.47-1,992.09

Finding the Fourth Proportional to 3,564.30, 4,918.47 and 1,992.09

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Solution

The fourth proportional to 3,564.30, 4,918.47 and 1,992.09 is: 2,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.30 : 4,918.47 = 1,992.09 : x
  2. Step 2: Convert to fraction form
    3,564.30/4,918.47 = 1,992.09/x
  3. Step 3: Cross multiply
    3,564.30x = 4,918.47 × 1,992.09
  4. Step 4: Simplify right side
    3,564.30x = 9,798,057.08
  5. Step 5: Solve for x
    x = 9,798,057.08/3,564.30
  6. Step 6: Final answer
    x = 2,748.94

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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.