Home / 4,149.72-5,730.21-3,036.78

Finding the Fourth Proportional to 4,149.72, 5,730.21 and 3,036.78

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Solution

The fourth proportional to 4,149.72, 5,730.21 and 3,036.78 is: 4,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.72 : 5,730.21 = 3,036.78 : x
  2. Step 2: Convert to fraction form
    4,149.72/5,730.21 = 3,036.78/x
  3. Step 3: Cross multiply
    4,149.72x = 5,730.21 × 3,036.78
  4. Step 4: Simplify right side
    4,149.72x = 17,401,387.12
  5. Step 5: Solve for x
    x = 17,401,387.12/4,149.72
  6. Step 6: Final answer
    x = 4,193.39

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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.