Home / 2,977.31-4,463.87-1,310.64

Finding the Fourth Proportional to 2,977.31, 4,463.87 and 1,310.64

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Solution

The fourth proportional to 2,977.31, 4,463.87 and 1,310.64 is: 1,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.31 : 4,463.87 = 1,310.64 : x
  2. Step 2: Convert to fraction form
    2,977.31/4,463.87 = 1,310.64/x
  3. Step 3: Cross multiply
    2,977.31x = 4,463.87 × 1,310.64
  4. Step 4: Simplify right side
    2,977.31x = 5,850,520.02
  5. Step 5: Solve for x
    x = 5,850,520.02/2,977.31
  6. Step 6: Final answer
    x = 1,965.04

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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.