Home / 3,156.22-4,355.35-1,829.89

Finding the Fourth Proportional to 3,156.22, 4,355.35 and 1,829.89

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Solution

The fourth proportional to 3,156.22, 4,355.35 and 1,829.89 is: 2,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.22 : 4,355.35 = 1,829.89 : x
  2. Step 2: Convert to fraction form
    3,156.22/4,355.35 = 1,829.89/x
  3. Step 3: Cross multiply
    3,156.22x = 4,355.35 × 1,829.89
  4. Step 4: Simplify right side
    3,156.22x = 7,969,811.41
  5. Step 5: Solve for x
    x = 7,969,811.41/3,156.22
  6. Step 6: Final answer
    x = 2,525.11

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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.