Home / 1,791.16-2,471.88-1,267.36

Finding the Fourth Proportional to 1,791.16, 2,471.88 and 1,267.36

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Solution

The fourth proportional to 1,791.16, 2,471.88 and 1,267.36 is: 1,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.16 : 2,471.88 = 1,267.36 : x
  2. Step 2: Convert to fraction form
    1,791.16/2,471.88 = 1,267.36/x
  3. Step 3: Cross multiply
    1,791.16x = 2,471.88 × 1,267.36
  4. Step 4: Simplify right side
    1,791.16x = 3,132,761.84
  5. Step 5: Solve for x
    x = 3,132,761.84/1,791.16
  6. Step 6: Final answer
    x = 1,749.01

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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.