Home / 3,086.30-4,622.02-1,766.05

Finding the Fourth Proportional to 3,086.30, 4,622.02 and 1,766.05

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Solution

The fourth proportional to 3,086.30, 4,622.02 and 1,766.05 is: 2,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.30 : 4,622.02 = 1,766.05 : x
  2. Step 2: Convert to fraction form
    3,086.30/4,622.02 = 1,766.05/x
  3. Step 3: Cross multiply
    3,086.30x = 4,622.02 × 1,766.05
  4. Step 4: Simplify right side
    3,086.30x = 8,162,718.42
  5. Step 5: Solve for x
    x = 8,162,718.42/3,086.30
  6. Step 6: Final answer
    x = 2,644.82

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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.