Home / 3,642.18-5,028.58-2,801.33

Finding the Fourth Proportional to 3,642.18, 5,028.58 and 2,801.33

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Solution

The fourth proportional to 3,642.18, 5,028.58 and 2,801.33 is: 3,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.18 : 5,028.58 = 2,801.33 : x
  2. Step 2: Convert to fraction form
    3,642.18/5,028.58 = 2,801.33/x
  3. Step 3: Cross multiply
    3,642.18x = 5,028.58 × 2,801.33
  4. Step 4: Simplify right side
    3,642.18x = 14,086,712.01
  5. Step 5: Solve for x
    x = 14,086,712.01/3,642.18
  6. Step 6: Final answer
    x = 3,867.66

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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.