Home / 2,669.09-3,984.36-2,549.27

Finding the Fourth Proportional to 2,669.09, 3,984.36 and 2,549.27

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Solution

The fourth proportional to 2,669.09, 3,984.36 and 2,549.27 is: 3,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.09 : 3,984.36 = 2,549.27 : x
  2. Step 2: Convert to fraction form
    2,669.09/3,984.36 = 2,549.27/x
  3. Step 3: Cross multiply
    2,669.09x = 3,984.36 × 2,549.27
  4. Step 4: Simplify right side
    2,669.09x = 10,157,189.50
  5. Step 5: Solve for x
    x = 10,157,189.50/2,669.09
  6. Step 6: Final answer
    x = 3,805.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.