Home / 3,546.86-5,315.63-1,571.81

Finding the Fourth Proportional to 3,546.86, 5,315.63 and 1,571.81

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Solution

The fourth proportional to 3,546.86, 5,315.63 and 1,571.81 is: 2,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.86 : 5,315.63 = 1,571.81 : x
  2. Step 2: Convert to fraction form
    3,546.86/5,315.63 = 1,571.81/x
  3. Step 3: Cross multiply
    3,546.86x = 5,315.63 × 1,571.81
  4. Step 4: Simplify right side
    3,546.86x = 8,355,160.39
  5. Step 5: Solve for x
    x = 8,355,160.39/3,546.86
  6. Step 6: Final answer
    x = 2,355.65

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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.