Home / 3,896.58-5,374.44-2,403.94

Finding the Fourth Proportional to 3,896.58, 5,374.44 and 2,403.94

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Solution

The fourth proportional to 3,896.58, 5,374.44 and 2,403.94 is: 3,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.58 : 5,374.44 = 2,403.94 : x
  2. Step 2: Convert to fraction form
    3,896.58/5,374.44 = 2,403.94/x
  3. Step 3: Cross multiply
    3,896.58x = 5,374.44 × 2,403.94
  4. Step 4: Simplify right side
    3,896.58x = 12,919,831.29
  5. Step 5: Solve for x
    x = 12,919,831.29/3,896.58
  6. Step 6: Final answer
    x = 3,315.68

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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.