Home / 1,954.94-2,697.74-1,115.91

Finding the Fourth Proportional to 1,954.94, 2,697.74 and 1,115.91

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Solution

The fourth proportional to 1,954.94, 2,697.74 and 1,115.91 is: 1,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.94 : 2,697.74 = 1,115.91 : x
  2. Step 2: Convert to fraction form
    1,954.94/2,697.74 = 1,115.91/x
  3. Step 3: Cross multiply
    1,954.94x = 2,697.74 × 1,115.91
  4. Step 4: Simplify right side
    1,954.94x = 3,010,435.04
  5. Step 5: Solve for x
    x = 3,010,435.04/1,954.94
  6. Step 6: Final answer
    x = 1,539.91

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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.