Home / 3,310.14-4,965.35-1,118.88

Finding the Fourth Proportional to 3,310.14, 4,965.35 and 1,118.88

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Solution

The fourth proportional to 3,310.14, 4,965.35 and 1,118.88 is: 1,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.14 : 4,965.35 = 1,118.88 : x
  2. Step 2: Convert to fraction form
    3,310.14/4,965.35 = 1,118.88/x
  3. Step 3: Cross multiply
    3,310.14x = 4,965.35 × 1,118.88
  4. Step 4: Simplify right side
    3,310.14x = 5,555,630.81
  5. Step 5: Solve for x
    x = 5,555,630.81/3,310.14
  6. Step 6: Final answer
    x = 1,678.37

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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.