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Finding the Fourth Proportional to 1,951.55, 2,912.33 and 1,743.95

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Solution

The fourth proportional to 1,951.55, 2,912.33 and 1,743.95 is: 2,602.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.55 : 2,912.33 = 1,743.95 : x
  2. Step 2: Convert to fraction form
    1,951.55/2,912.33 = 1,743.95/x
  3. Step 3: Cross multiply
    1,951.55x = 2,912.33 × 1,743.95
  4. Step 4: Simplify right side
    1,951.55x = 5,078,934.62
  5. Step 5: Solve for x
    x = 5,078,934.62/1,951.55
  6. Step 6: Final answer
    x = 2,602.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.