Home / 3,673.65-5,070.61-2,181.09

Finding the Fourth Proportional to 3,673.65, 5,070.61 and 2,181.09

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Solution

The fourth proportional to 3,673.65, 5,070.61 and 2,181.09 is: 3,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.65 : 5,070.61 = 2,181.09 : x
  2. Step 2: Convert to fraction form
    3,673.65/5,070.61 = 2,181.09/x
  3. Step 3: Cross multiply
    3,673.65x = 5,070.61 × 2,181.09
  4. Step 4: Simplify right side
    3,673.65x = 11,059,456.76
  5. Step 5: Solve for x
    x = 11,059,456.76/3,673.65
  6. Step 6: Final answer
    x = 3,010.48

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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.