Home / 2,265.50-3,126.66-1,271.06

Finding the Fourth Proportional to 2,265.50, 3,126.66 and 1,271.06

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Solution

The fourth proportional to 2,265.50, 3,126.66 and 1,271.06 is: 1,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.50 : 3,126.66 = 1,271.06 : x
  2. Step 2: Convert to fraction form
    2,265.50/3,126.66 = 1,271.06/x
  3. Step 3: Cross multiply
    2,265.50x = 3,126.66 × 1,271.06
  4. Step 4: Simplify right side
    2,265.50x = 3,974,172.46
  5. Step 5: Solve for x
    x = 3,974,172.46/2,265.50
  6. Step 6: Final answer
    x = 1,754.21

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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.