Home / 2,426.25-3,639.39-965.77

Finding the Fourth Proportional to 2,426.25, 3,639.39 and 965.77

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Solution

The fourth proportional to 2,426.25, 3,639.39 and 965.77 is: 1,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.25 : 3,639.39 = 965.77 : x
  2. Step 2: Convert to fraction form
    2,426.25/3,639.39 = 965.77/x
  3. Step 3: Cross multiply
    2,426.25x = 3,639.39 × 965.77
  4. Step 4: Simplify right side
    2,426.25x = 3,514,813.68
  5. Step 5: Solve for x
    x = 3,514,813.68/2,426.25
  6. Step 6: Final answer
    x = 1,448.66

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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.