Home / 1,850.64-2,777.82-926.86

Finding the Fourth Proportional to 1,850.64, 2,777.82 and 926.86

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Solution

The fourth proportional to 1,850.64, 2,777.82 and 926.86 is: 1,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.64 : 2,777.82 = 926.86 : x
  2. Step 2: Convert to fraction form
    1,850.64/2,777.82 = 926.86/x
  3. Step 3: Cross multiply
    1,850.64x = 2,777.82 × 926.86
  4. Step 4: Simplify right side
    1,850.64x = 2,574,650.25
  5. Step 5: Solve for x
    x = 2,574,650.25/1,850.64
  6. Step 6: Final answer
    x = 1,391.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.