Home / 2,958.98-4,442.85-1,977.92

Finding the Fourth Proportional to 2,958.98, 4,442.85 and 1,977.92

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Solution

The fourth proportional to 2,958.98, 4,442.85 and 1,977.92 is: 2,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.98 : 4,442.85 = 1,977.92 : x
  2. Step 2: Convert to fraction form
    2,958.98/4,442.85 = 1,977.92/x
  3. Step 3: Cross multiply
    2,958.98x = 4,442.85 × 1,977.92
  4. Step 4: Simplify right side
    2,958.98x = 8,787,596.32
  5. Step 5: Solve for x
    x = 8,787,596.32/2,958.98
  6. Step 6: Final answer
    x = 2,969.81

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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.