Home / 1,517.38-2,093.98-1,051.90

Finding the Fourth Proportional to 1,517.38, 2,093.98 and 1,051.90

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Solution

The fourth proportional to 1,517.38, 2,093.98 and 1,051.90 is: 1,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.38 : 2,093.98 = 1,051.90 : x
  2. Step 2: Convert to fraction form
    1,517.38/2,093.98 = 1,051.90/x
  3. Step 3: Cross multiply
    1,517.38x = 2,093.98 × 1,051.90
  4. Step 4: Simplify right side
    1,517.38x = 2,202,657.56
  5. Step 5: Solve for x
    x = 2,202,657.56/1,517.38
  6. Step 6: Final answer
    x = 1,451.62

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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.