Home / 2,702.91-4,051.58-1,960.66

Finding the Fourth Proportional to 2,702.91, 4,051.58 and 1,960.66

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Solution

The fourth proportional to 2,702.91, 4,051.58 and 1,960.66 is: 2,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.91 : 4,051.58 = 1,960.66 : x
  2. Step 2: Convert to fraction form
    2,702.91/4,051.58 = 1,960.66/x
  3. Step 3: Cross multiply
    2,702.91x = 4,051.58 × 1,960.66
  4. Step 4: Simplify right side
    2,702.91x = 7,943,770.84
  5. Step 5: Solve for x
    x = 7,943,770.84/2,702.91
  6. Step 6: Final answer
    x = 2,938.97

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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.