Home / 2,428.32-3,639.74-965.77

Finding the Fourth Proportional to 2,428.32, 3,639.74 and 965.77

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Solution

The fourth proportional to 2,428.32, 3,639.74 and 965.77 is: 1,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.32 : 3,639.74 = 965.77 : x
  2. Step 2: Convert to fraction form
    2,428.32/3,639.74 = 965.77/x
  3. Step 3: Cross multiply
    2,428.32x = 3,639.74 × 965.77
  4. Step 4: Simplify right side
    2,428.32x = 3,515,145.01
  5. Step 5: Solve for x
    x = 3,515,145.01/2,428.32
  6. Step 6: Final answer
    x = 1,447.56

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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.