Home / 3,057.03-4,218.03-1,730.43

Finding the Fourth Proportional to 3,057.03, 4,218.03 and 1,730.43

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Solution

The fourth proportional to 3,057.03, 4,218.03 and 1,730.43 is: 2,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.03 : 4,218.03 = 1,730.43 : x
  2. Step 2: Convert to fraction form
    3,057.03/4,218.03 = 1,730.43/x
  3. Step 3: Cross multiply
    3,057.03x = 4,218.03 × 1,730.43
  4. Step 4: Simplify right side
    3,057.03x = 7,299,005.65
  5. Step 5: Solve for x
    x = 7,299,005.65/3,057.03
  6. Step 6: Final answer
    x = 2,387.61

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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.