Home / 3,638.26-5,020.80-2,066.32

Finding the Fourth Proportional to 3,638.26, 5,020.80 and 2,066.32

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Solution

The fourth proportional to 3,638.26, 5,020.80 and 2,066.32 is: 2,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.26 : 5,020.80 = 2,066.32 : x
  2. Step 2: Convert to fraction form
    3,638.26/5,020.80 = 2,066.32/x
  3. Step 3: Cross multiply
    3,638.26x = 5,020.80 × 2,066.32
  4. Step 4: Simplify right side
    3,638.26x = 10,374,579.46
  5. Step 5: Solve for x
    x = 10,374,579.46/3,638.26
  6. Step 6: Final answer
    x = 2,851.52

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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.