Home / 3,638.10-5,020.77-2,045.25

Finding the Fourth Proportional to 3,638.10, 5,020.77 and 2,045.25

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Solution

The fourth proportional to 3,638.10, 5,020.77 and 2,045.25 is: 2,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.10 : 5,020.77 = 2,045.25 : x
  2. Step 2: Convert to fraction form
    3,638.10/5,020.77 = 2,045.25/x
  3. Step 3: Cross multiply
    3,638.10x = 5,020.77 × 2,045.25
  4. Step 4: Simplify right side
    3,638.10x = 10,268,729.84
  5. Step 5: Solve for x
    x = 10,268,729.84/3,638.10
  6. Step 6: Final answer
    x = 2,822.55

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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.