Home / 3,271.96-4,910.02-1,191.76

Finding the Fourth Proportional to 3,271.96, 4,910.02 and 1,191.76

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Solution

The fourth proportional to 3,271.96, 4,910.02 and 1,191.76 is: 1,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.96 : 4,910.02 = 1,191.76 : x
  2. Step 2: Convert to fraction form
    3,271.96/4,910.02 = 1,191.76/x
  3. Step 3: Cross multiply
    3,271.96x = 4,910.02 × 1,191.76
  4. Step 4: Simplify right side
    3,271.96x = 5,851,565.44
  5. Step 5: Solve for x
    x = 5,851,565.44/3,271.96
  6. Step 6: Final answer
    x = 1,788.40

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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.