Home / 3,286.18-4,926.08-1,311.23

Finding the Fourth Proportional to 3,286.18, 4,926.08 and 1,311.23

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Solution

The fourth proportional to 3,286.18, 4,926.08 and 1,311.23 is: 1,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.18 : 4,926.08 = 1,311.23 : x
  2. Step 2: Convert to fraction form
    3,286.18/4,926.08 = 1,311.23/x
  3. Step 3: Cross multiply
    3,286.18x = 4,926.08 × 1,311.23
  4. Step 4: Simplify right side
    3,286.18x = 6,459,239.47
  5. Step 5: Solve for x
    x = 6,459,239.47/3,286.18
  6. Step 6: Final answer
    x = 1,965.58

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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.