Home / 4,104.72-5,654.36-2,982.40

Finding the Fourth Proportional to 4,104.72, 5,654.36 and 2,982.40

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Solution

The fourth proportional to 4,104.72, 5,654.36 and 2,982.40 is: 4,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.72 : 5,654.36 = 2,982.40 : x
  2. Step 2: Convert to fraction form
    4,104.72/5,654.36 = 2,982.40/x
  3. Step 3: Cross multiply
    4,104.72x = 5,654.36 × 2,982.40
  4. Step 4: Simplify right side
    4,104.72x = 16,863,563.26
  5. Step 5: Solve for x
    x = 16,863,563.26/4,104.72
  6. Step 6: Final answer
    x = 4,108.33

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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.