Home / 2,801.41-4,201.75-1,157.74

Finding the Fourth Proportional to 2,801.41, 4,201.75 and 1,157.74

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Solution

The fourth proportional to 2,801.41, 4,201.75 and 1,157.74 is: 1,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.41 : 4,201.75 = 1,157.74 : x
  2. Step 2: Convert to fraction form
    2,801.41/4,201.75 = 1,157.74/x
  3. Step 3: Cross multiply
    2,801.41x = 4,201.75 × 1,157.74
  4. Step 4: Simplify right side
    2,801.41x = 4,864,534.05
  5. Step 5: Solve for x
    x = 4,864,534.05/2,801.41
  6. Step 6: Final answer
    x = 1,736.46

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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.