Home / 2,801.56-4,199.27-1,157.22

Finding the Fourth Proportional to 2,801.56, 4,199.27 and 1,157.22

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Solution

The fourth proportional to 2,801.56, 4,199.27 and 1,157.22 is: 1,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.56 : 4,199.27 = 1,157.22 : x
  2. Step 2: Convert to fraction form
    2,801.56/4,199.27 = 1,157.22/x
  3. Step 3: Cross multiply
    2,801.56x = 4,199.27 × 1,157.22
  4. Step 4: Simplify right side
    2,801.56x = 4,859,452.45
  5. Step 5: Solve for x
    x = 4,859,452.45/2,801.56
  6. Step 6: Final answer
    x = 1,734.55

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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.