Home / 3,927.70-5,891.55-1,330.84

Finding the Fourth Proportional to 3,927.70, 5,891.55 and 1,330.84

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Solution

The fourth proportional to 3,927.70, 5,891.55 and 1,330.84 is: 1,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.70 : 5,891.55 = 1,330.84 : x
  2. Step 2: Convert to fraction form
    3,927.70/5,891.55 = 1,330.84/x
  3. Step 3: Cross multiply
    3,927.70x = 5,891.55 × 1,330.84
  4. Step 4: Simplify right side
    3,927.70x = 7,840,710.40
  5. Step 5: Solve for x
    x = 7,840,710.40/3,927.70
  6. Step 6: Final answer
    x = 1,996.26

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Similar ratio
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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.