Home / 2,956.14-4,427.85-1,393.80

Finding the Fourth Proportional to 2,956.14, 4,427.85 and 1,393.80

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Solution

The fourth proportional to 2,956.14, 4,427.85 and 1,393.80 is: 2,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.14 : 4,427.85 = 1,393.80 : x
  2. Step 2: Convert to fraction form
    2,956.14/4,427.85 = 1,393.80/x
  3. Step 3: Cross multiply
    2,956.14x = 4,427.85 × 1,393.80
  4. Step 4: Simplify right side
    2,956.14x = 6,171,537.33
  5. Step 5: Solve for x
    x = 6,171,537.33/2,956.14
  6. Step 6: Final answer
    x = 2,087.70

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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.