Home / 1,919.52-2,631.96-1,732.32

Finding the Fourth Proportional to 1,919.52, 2,631.96 and 1,732.32

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Solution

The fourth proportional to 1,919.52, 2,631.96 and 1,732.32 is: 2,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.52 : 2,631.96 = 1,732.32 : x
  2. Step 2: Convert to fraction form
    1,919.52/2,631.96 = 1,732.32/x
  3. Step 3: Cross multiply
    1,919.52x = 2,631.96 × 1,732.32
  4. Step 4: Simplify right side
    1,919.52x = 4,559,396.95
  5. Step 5: Solve for x
    x = 4,559,396.95/1,919.52
  6. Step 6: Final answer
    x = 2,375.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.