Home / 1,296.23-1,796.36-1,271.62

Finding the Fourth Proportional to 1,296.23, 1,796.36 and 1,271.62

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Solution

The fourth proportional to 1,296.23, 1,796.36 and 1,271.62 is: 1,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.23 : 1,796.36 = 1,271.62 : x
  2. Step 2: Convert to fraction form
    1,296.23/1,796.36 = 1,271.62/x
  3. Step 3: Cross multiply
    1,296.23x = 1,796.36 × 1,271.62
  4. Step 4: Simplify right side
    1,296.23x = 2,284,278.32
  5. Step 5: Solve for x
    x = 2,284,278.32/1,296.23
  6. Step 6: Final answer
    x = 1,762.25

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.