Home / 3,156.86-4,355.34-1,829.84

Finding the Fourth Proportional to 3,156.86, 4,355.34 and 1,829.84

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Solution

The fourth proportional to 3,156.86, 4,355.34 and 1,829.84 is: 2,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.86 : 4,355.34 = 1,829.84 : x
  2. Step 2: Convert to fraction form
    3,156.86/4,355.34 = 1,829.84/x
  3. Step 3: Cross multiply
    3,156.86x = 4,355.34 × 1,829.84
  4. Step 4: Simplify right side
    3,156.86x = 7,969,575.35
  5. Step 5: Solve for x
    x = 7,969,575.35/3,156.86
  6. Step 6: Final answer
    x = 2,524.53

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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.