Home / 3,654.58-5,040.01-3,125.45

Finding the Fourth Proportional to 3,654.58, 5,040.01 and 3,125.45

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Solution

The fourth proportional to 3,654.58, 5,040.01 and 3,125.45 is: 4,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.58 : 5,040.01 = 3,125.45 : x
  2. Step 2: Convert to fraction form
    3,654.58/5,040.01 = 3,125.45/x
  3. Step 3: Cross multiply
    3,654.58x = 5,040.01 × 3,125.45
  4. Step 4: Simplify right side
    3,654.58x = 15,752,299.25
  5. Step 5: Solve for x
    x = 15,752,299.25/3,654.58
  6. Step 6: Final answer
    x = 4,310.29

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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.