Home / 2,513.26-3,770.62-1,126.28

Finding the Fourth Proportional to 2,513.26, 3,770.62 and 1,126.28

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Solution

The fourth proportional to 2,513.26, 3,770.62 and 1,126.28 is: 1,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.26 : 3,770.62 = 1,126.28 : x
  2. Step 2: Convert to fraction form
    2,513.26/3,770.62 = 1,126.28/x
  3. Step 3: Cross multiply
    2,513.26x = 3,770.62 × 1,126.28
  4. Step 4: Simplify right side
    2,513.26x = 4,246,773.89
  5. Step 5: Solve for x
    x = 4,246,773.89/2,513.26
  6. Step 6: Final answer
    x = 1,689.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.