Home / 2,266.24-3,127.36-1,271.60

Finding the Fourth Proportional to 2,266.24, 3,127.36 and 1,271.60

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Solution

The fourth proportional to 2,266.24, 3,127.36 and 1,271.60 is: 1,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.24 : 3,127.36 = 1,271.60 : x
  2. Step 2: Convert to fraction form
    2,266.24/3,127.36 = 1,271.60/x
  3. Step 3: Cross multiply
    2,266.24x = 3,127.36 × 1,271.60
  4. Step 4: Simplify right side
    2,266.24x = 3,976,750.98
  5. Step 5: Solve for x
    x = 3,976,750.98/2,266.24
  6. Step 6: Final answer
    x = 1,754.78

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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.