Home / 3,801.33-5,245.92-2,385.07

Finding the Fourth Proportional to 3,801.33, 5,245.92 and 2,385.07

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Solution

The fourth proportional to 3,801.33, 5,245.92 and 2,385.07 is: 3,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.33 : 5,245.92 = 2,385.07 : x
  2. Step 2: Convert to fraction form
    3,801.33/5,245.92 = 2,385.07/x
  3. Step 3: Cross multiply
    3,801.33x = 5,245.92 × 2,385.07
  4. Step 4: Simplify right side
    3,801.33x = 12,511,886.41
  5. Step 5: Solve for x
    x = 12,511,886.41/3,801.33
  6. Step 6: Final answer
    x = 3,291.45

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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.