Home / 2,431.14-3,352.28-1,643.82

Finding the Fourth Proportional to 2,431.14, 3,352.28 and 1,643.82

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Solution

The fourth proportional to 2,431.14, 3,352.28 and 1,643.82 is: 2,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.14 : 3,352.28 = 1,643.82 : x
  2. Step 2: Convert to fraction form
    2,431.14/3,352.28 = 1,643.82/x
  3. Step 3: Cross multiply
    2,431.14x = 3,352.28 × 1,643.82
  4. Step 4: Simplify right side
    2,431.14x = 5,510,544.91
  5. Step 5: Solve for x
    x = 5,510,544.91/2,431.14
  6. Step 6: Final answer
    x = 2,266.65

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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.