Home / 2,266.11-3,126.84-1,271.43

Finding the Fourth Proportional to 2,266.11, 3,126.84 and 1,271.43

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Solution

The fourth proportional to 2,266.11, 3,126.84 and 1,271.43 is: 1,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.11 : 3,126.84 = 1,271.43 : x
  2. Step 2: Convert to fraction form
    2,266.11/3,126.84 = 1,271.43/x
  3. Step 3: Cross multiply
    2,266.11x = 3,126.84 × 1,271.43
  4. Step 4: Simplify right side
    2,266.11x = 3,975,553.41
  5. Step 5: Solve for x
    x = 3,975,553.41/2,266.11
  6. Step 6: Final answer
    x = 1,754.35

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1.5x scale

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.