Home / 3,689.06-5,090.94-2,010.44

Finding the Fourth Proportional to 3,689.06, 5,090.94 and 2,010.44

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Solution

The fourth proportional to 3,689.06, 5,090.94 and 2,010.44 is: 2,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.06 : 5,090.94 = 2,010.44 : x
  2. Step 2: Convert to fraction form
    3,689.06/5,090.94 = 2,010.44/x
  3. Step 3: Cross multiply
    3,689.06x = 5,090.94 × 2,010.44
  4. Step 4: Simplify right side
    3,689.06x = 10,235,029.41
  5. Step 5: Solve for x
    x = 10,235,029.41/3,689.06
  6. Step 6: Final answer
    x = 2,774.43

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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.