Home / 2,266.57-3,127.92-1,271.93

Finding the Fourth Proportional to 2,266.57, 3,127.92 and 1,271.93

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Solution

The fourth proportional to 2,266.57, 3,127.92 and 1,271.93 is: 1,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.57 : 3,127.92 = 1,271.93 : x
  2. Step 2: Convert to fraction form
    2,266.57/3,127.92 = 1,271.93/x
  3. Step 3: Cross multiply
    2,266.57x = 3,127.92 × 1,271.93
  4. Step 4: Simplify right side
    2,266.57x = 3,978,479.65
  5. Step 5: Solve for x
    x = 3,978,479.65/2,266.57
  6. Step 6: Final answer
    x = 1,755.29

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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.