Home / 2,265.63-3,126.42-1,270.91

Finding the Fourth Proportional to 2,265.63, 3,126.42 and 1,270.91

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Solution

The fourth proportional to 2,265.63, 3,126.42 and 1,270.91 is: 1,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.63 : 3,126.42 = 1,270.91 : x
  2. Step 2: Convert to fraction form
    2,265.63/3,126.42 = 1,270.91/x
  3. Step 3: Cross multiply
    2,265.63x = 3,126.42 × 1,270.91
  4. Step 4: Simplify right side
    2,265.63x = 3,973,398.44
  5. Step 5: Solve for x
    x = 3,973,398.44/2,265.63
  6. Step 6: Final answer
    x = 1,753.77

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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.