Home / 3,265.20-4,505.49-2,378.25

Finding the Fourth Proportional to 3,265.20, 4,505.49 and 2,378.25

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Solution

The fourth proportional to 3,265.20, 4,505.49 and 2,378.25 is: 3,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.20 : 4,505.49 = 2,378.25 : x
  2. Step 2: Convert to fraction form
    3,265.20/4,505.49 = 2,378.25/x
  3. Step 3: Cross multiply
    3,265.20x = 4,505.49 × 2,378.25
  4. Step 4: Simplify right side
    3,265.20x = 10,715,181.59
  5. Step 5: Solve for x
    x = 10,715,181.59/3,265.20
  6. Step 6: Final answer
    x = 3,281.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.