Home / 2,693.30-4,038.73-961.97

Finding the Fourth Proportional to 2,693.30, 4,038.73 and 961.97

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Solution

The fourth proportional to 2,693.30, 4,038.73 and 961.97 is: 1,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.30 : 4,038.73 = 961.97 : x
  2. Step 2: Convert to fraction form
    2,693.30/4,038.73 = 961.97/x
  3. Step 3: Cross multiply
    2,693.30x = 4,038.73 × 961.97
  4. Step 4: Simplify right side
    2,693.30x = 3,885,137.10
  5. Step 5: Solve for x
    x = 3,885,137.10/2,693.30
  6. Step 6: Final answer
    x = 1,442.52

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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.