Home / 1,656.30-2,486.27-963.75

Finding the Fourth Proportional to 1,656.30, 2,486.27 and 963.75

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Solution

The fourth proportional to 1,656.30, 2,486.27 and 963.75 is: 1,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.30 : 2,486.27 = 963.75 : x
  2. Step 2: Convert to fraction form
    1,656.30/2,486.27 = 963.75/x
  3. Step 3: Cross multiply
    1,656.30x = 2,486.27 × 963.75
  4. Step 4: Simplify right side
    1,656.30x = 2,396,137.89
  5. Step 5: Solve for x
    x = 2,396,137.89/1,656.30
  6. Step 6: Final answer
    x = 1,446.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.