Home / 2,791.26-4,186.40-1,037.12

Finding the Fourth Proportional to 2,791.26, 4,186.40 and 1,037.12

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Solution

The fourth proportional to 2,791.26, 4,186.40 and 1,037.12 is: 1,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.26 : 4,186.40 = 1,037.12 : x
  2. Step 2: Convert to fraction form
    2,791.26/4,186.40 = 1,037.12/x
  3. Step 3: Cross multiply
    2,791.26x = 4,186.40 × 1,037.12
  4. Step 4: Simplify right side
    2,791.26x = 4,341,773.05
  5. Step 5: Solve for x
    x = 4,341,773.05/2,791.26
  6. Step 6: Final answer
    x = 1,555.49

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1.5x scale

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.