Home / 3,275.21-4,914.02-2,660.42

Finding the Fourth Proportional to 3,275.21, 4,914.02 and 2,660.42

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Solution

The fourth proportional to 3,275.21, 4,914.02 and 2,660.42 is: 3,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.21 : 4,914.02 = 2,660.42 : x
  2. Step 2: Convert to fraction form
    3,275.21/4,914.02 = 2,660.42/x
  3. Step 3: Cross multiply
    3,275.21x = 4,914.02 × 2,660.42
  4. Step 4: Simplify right side
    3,275.21x = 13,073,339.17
  5. Step 5: Solve for x
    x = 13,073,339.17/3,275.21
  6. Step 6: Final answer
    x = 3,991.61

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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.