Home / 4,021.26-6,031.80-1,829.40

Finding the Fourth Proportional to 4,021.26, 6,031.80 and 1,829.40

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Solution

The fourth proportional to 4,021.26, 6,031.80 and 1,829.40 is: 2,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.26 : 6,031.80 = 1,829.40 : x
  2. Step 2: Convert to fraction form
    4,021.26/6,031.80 = 1,829.40/x
  3. Step 3: Cross multiply
    4,021.26x = 6,031.80 × 1,829.40
  4. Step 4: Simplify right side
    4,021.26x = 11,034,574.92
  5. Step 5: Solve for x
    x = 11,034,574.92/4,021.26
  6. Step 6: Final answer
    x = 2,744.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.