Home / 2,684.26-3,702.64-1,687.83

Finding the Fourth Proportional to 2,684.26, 3,702.64 and 1,687.83

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Solution

The fourth proportional to 2,684.26, 3,702.64 and 1,687.83 is: 2,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.26 : 3,702.64 = 1,687.83 : x
  2. Step 2: Convert to fraction form
    2,684.26/3,702.64 = 1,687.83/x
  3. Step 3: Cross multiply
    2,684.26x = 3,702.64 × 1,687.83
  4. Step 4: Simplify right side
    2,684.26x = 6,249,426.87
  5. Step 5: Solve for x
    x = 6,249,426.87/2,684.26
  6. Step 6: Final answer
    x = 2,328.17

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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.