Home / 2,932.19-4,046.42-1,605.90

Finding the Fourth Proportional to 2,932.19, 4,046.42 and 1,605.90

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Solution

The fourth proportional to 2,932.19, 4,046.42 and 1,605.90 is: 2,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.19 : 4,046.42 = 1,605.90 : x
  2. Step 2: Convert to fraction form
    2,932.19/4,046.42 = 1,605.90/x
  3. Step 3: Cross multiply
    2,932.19x = 4,046.42 × 1,605.90
  4. Step 4: Simplify right side
    2,932.19x = 6,498,145.88
  5. Step 5: Solve for x
    x = 6,498,145.88/2,932.19
  6. Step 6: Final answer
    x = 2,216.14

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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.