Home / 2,755.09-3,800.92-1,575.52

Finding the Fourth Proportional to 2,755.09, 3,800.92 and 1,575.52

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Solution

The fourth proportional to 2,755.09, 3,800.92 and 1,575.52 is: 2,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.09 : 3,800.92 = 1,575.52 : x
  2. Step 2: Convert to fraction form
    2,755.09/3,800.92 = 1,575.52/x
  3. Step 3: Cross multiply
    2,755.09x = 3,800.92 × 1,575.52
  4. Step 4: Simplify right side
    2,755.09x = 5,988,425.48
  5. Step 5: Solve for x
    x = 5,988,425.48/2,755.09
  6. Step 6: Final answer
    x = 2,173.59

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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.