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Finding the Fourth Proportional to 1,951.49, 2,684.87 and 1,703.38

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Solution

The fourth proportional to 1,951.49, 2,684.87 and 1,703.38 is: 2,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.49 : 2,684.87 = 1,703.38 : x
  2. Step 2: Convert to fraction form
    1,951.49/2,684.87 = 1,703.38/x
  3. Step 3: Cross multiply
    1,951.49x = 2,684.87 × 1,703.38
  4. Step 4: Simplify right side
    1,951.49x = 4,573,353.86
  5. Step 5: Solve for x
    x = 4,573,353.86/1,951.49
  6. Step 6: Final answer
    x = 2,343.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.