Home / 3,057.23-4,218.98-1,659.98

Finding the Fourth Proportional to 3,057.23, 4,218.98 and 1,659.98

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Solution

The fourth proportional to 3,057.23, 4,218.98 and 1,659.98 is: 2,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.23 : 4,218.98 = 1,659.98 : x
  2. Step 2: Convert to fraction form
    3,057.23/4,218.98 = 1,659.98/x
  3. Step 3: Cross multiply
    3,057.23x = 4,218.98 × 1,659.98
  4. Step 4: Simplify right side
    3,057.23x = 7,003,437.12
  5. Step 5: Solve for x
    x = 7,003,437.12/3,057.23
  6. Step 6: Final answer
    x = 2,290.78

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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.