Home / 1,432.44-1,977.26-1,100.43

Finding the Fourth Proportional to 1,432.44, 1,977.26 and 1,100.43

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Solution

The fourth proportional to 1,432.44, 1,977.26 and 1,100.43 is: 1,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.44 : 1,977.26 = 1,100.43 : x
  2. Step 2: Convert to fraction form
    1,432.44/1,977.26 = 1,100.43/x
  3. Step 3: Cross multiply
    1,432.44x = 1,977.26 × 1,100.43
  4. Step 4: Simplify right side
    1,432.44x = 2,175,830.72
  5. Step 5: Solve for x
    x = 2,175,830.72/1,432.44
  6. Step 6: Final answer
    x = 1,518.97

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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.