Home / 2,265.48-3,395.82-1,276.86

Finding the Fourth Proportional to 2,265.48, 3,395.82 and 1,276.86

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Solution

The fourth proportional to 2,265.48, 3,395.82 and 1,276.86 is: 1,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.48 : 3,395.82 = 1,276.86 : x
  2. Step 2: Convert to fraction form
    2,265.48/3,395.82 = 1,276.86/x
  3. Step 3: Cross multiply
    2,265.48x = 3,395.82 × 1,276.86
  4. Step 4: Simplify right side
    2,265.48x = 4,335,986.73
  5. Step 5: Solve for x
    x = 4,335,986.73/2,265.48
  6. Step 6: Final answer
    x = 1,913.94

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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.