Home / 2,266.19-3,127.33-1,271.47

Finding the Fourth Proportional to 2,266.19, 3,127.33 and 1,271.47

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Solution

The fourth proportional to 2,266.19, 3,127.33 and 1,271.47 is: 1,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.19 : 3,127.33 = 1,271.47 : x
  2. Step 2: Convert to fraction form
    2,266.19/3,127.33 = 1,271.47/x
  3. Step 3: Cross multiply
    2,266.19x = 3,127.33 × 1,271.47
  4. Step 4: Simplify right side
    2,266.19x = 3,976,318.28
  5. Step 5: Solve for x
    x = 3,976,318.28/2,266.19
  6. Step 6: Final answer
    x = 1,754.63

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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.