Home / 2,791.08-3,851.76-1,532.22

Finding the Fourth Proportional to 2,791.08, 3,851.76 and 1,532.22

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Solution

The fourth proportional to 2,791.08, 3,851.76 and 1,532.22 is: 2,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.08 : 3,851.76 = 1,532.22 : x
  2. Step 2: Convert to fraction form
    2,791.08/3,851.76 = 1,532.22/x
  3. Step 3: Cross multiply
    2,791.08x = 3,851.76 × 1,532.22
  4. Step 4: Simplify right side
    2,791.08x = 5,901,735.01
  5. Step 5: Solve for x
    x = 5,901,735.01/2,791.08
  6. Step 6: Final answer
    x = 2,114.50

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1.5x scale

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.