Home / 3,266.88-4,898.68-1,186.80

Finding the Fourth Proportional to 3,266.88, 4,898.68 and 1,186.80

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Solution

The fourth proportional to 3,266.88, 4,898.68 and 1,186.80 is: 1,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.88 : 4,898.68 = 1,186.80 : x
  2. Step 2: Convert to fraction form
    3,266.88/4,898.68 = 1,186.80/x
  3. Step 3: Cross multiply
    3,266.88x = 4,898.68 × 1,186.80
  4. Step 4: Simplify right side
    3,266.88x = 5,813,753.42
  5. Step 5: Solve for x
    x = 5,813,753.42/3,266.88
  6. Step 6: Final answer
    x = 1,779.60

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1.5x scale

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.