Home / 3,104.29-4,283.96-1,687.99

Finding the Fourth Proportional to 3,104.29, 4,283.96 and 1,687.99

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Solution

The fourth proportional to 3,104.29, 4,283.96 and 1,687.99 is: 2,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.29 : 4,283.96 = 1,687.99 : x
  2. Step 2: Convert to fraction form
    3,104.29/4,283.96 = 1,687.99/x
  3. Step 3: Cross multiply
    3,104.29x = 4,283.96 × 1,687.99
  4. Step 4: Simplify right side
    3,104.29x = 7,231,281.64
  5. Step 5: Solve for x
    x = 7,231,281.64/3,104.29
  6. Step 6: Final answer
    x = 2,329.45

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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.