Home / 1,791.07-2,676.20-1,295.12

Finding the Fourth Proportional to 1,791.07, 2,676.20 and 1,295.12

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Solution

The fourth proportional to 1,791.07, 2,676.20 and 1,295.12 is: 1,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.07 : 2,676.20 = 1,295.12 : x
  2. Step 2: Convert to fraction form
    1,791.07/2,676.20 = 1,295.12/x
  3. Step 3: Cross multiply
    1,791.07x = 2,676.20 × 1,295.12
  4. Step 4: Simplify right side
    1,791.07x = 3,466,000.14
  5. Step 5: Solve for x
    x = 3,466,000.14/1,791.07
  6. Step 6: Final answer
    x = 1,935.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.