Home / 3,231.60-4,851.30-1,845.90

Finding the Fourth Proportional to 3,231.60, 4,851.30 and 1,845.90

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Solution

The fourth proportional to 3,231.60, 4,851.30 and 1,845.90 is: 2,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.60 : 4,851.30 = 1,845.90 : x
  2. Step 2: Convert to fraction form
    3,231.60/4,851.30 = 1,845.90/x
  3. Step 3: Cross multiply
    3,231.60x = 4,851.30 × 1,845.90
  4. Step 4: Simplify right side
    3,231.60x = 8,955,014.67
  5. Step 5: Solve for x
    x = 8,955,014.67/3,231.60
  6. Step 6: Final answer
    x = 2,771.08

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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.