Home / 2,265.34-3,126-1,270.44

Finding the Fourth Proportional to 2,265.34, 3,126 and 1,270.44

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Solution

The fourth proportional to 2,265.34, 3,126 and 1,270.44 is: 1,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.34 : 3,126 = 1,270.44 : x
  2. Step 2: Convert to fraction form
    2,265.34/3,126 = 1,270.44/x
  3. Step 3: Cross multiply
    2,265.34x = 3,126 × 1,270.44
  4. Step 4: Simplify right side
    2,265.34x = 3,971,395.44
  5. Step 5: Solve for x
    x = 3,971,395.44/2,265.34
  6. Step 6: Final answer
    x = 1,753.11

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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.