Home / 2,863.80-3,952.41-1,684.98

Finding the Fourth Proportional to 2,863.80, 3,952.41 and 1,684.98

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Solution

The fourth proportional to 2,863.80, 3,952.41 and 1,684.98 is: 2,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.80 : 3,952.41 = 1,684.98 : x
  2. Step 2: Convert to fraction form
    2,863.80/3,952.41 = 1,684.98/x
  3. Step 3: Cross multiply
    2,863.80x = 3,952.41 × 1,684.98
  4. Step 4: Simplify right side
    2,863.80x = 6,659,731.80
  5. Step 5: Solve for x
    x = 6,659,731.80/2,863.80
  6. Step 6: Final answer
    x = 2,325.49

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1.5x scale

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.