Home / 2,958.10-4,079.67-1,778.95

Finding the Fourth Proportional to 2,958.10, 4,079.67 and 1,778.95

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Solution

The fourth proportional to 2,958.10, 4,079.67 and 1,778.95 is: 2,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.10 : 4,079.67 = 1,778.95 : x
  2. Step 2: Convert to fraction form
    2,958.10/4,079.67 = 1,778.95/x
  3. Step 3: Cross multiply
    2,958.10x = 4,079.67 × 1,778.95
  4. Step 4: Simplify right side
    2,958.10x = 7,257,528.95
  5. Step 5: Solve for x
    x = 7,257,528.95/2,958.10
  6. Step 6: Final answer
    x = 2,453.44

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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.