Home / 2,977.00-4,462.31-1,331.28

Finding the Fourth Proportional to 2,977.00, 4,462.31 and 1,331.28

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Solution

The fourth proportional to 2,977.00, 4,462.31 and 1,331.28 is: 1,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.00 : 4,462.31 = 1,331.28 : x
  2. Step 2: Convert to fraction form
    2,977.00/4,462.31 = 1,331.28/x
  3. Step 3: Cross multiply
    2,977.00x = 4,462.31 × 1,331.28
  4. Step 4: Simplify right side
    2,977.00x = 5,940,587.39
  5. Step 5: Solve for x
    x = 5,940,587.39/2,977.00
  6. Step 6: Final answer
    x = 1,995.50

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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.