Home / 1,765.11-2,433.87-1,126.20

Finding the Fourth Proportional to 1,765.11, 2,433.87 and 1,126.20

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Solution

The fourth proportional to 1,765.11, 2,433.87 and 1,126.20 is: 1,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.11 : 2,433.87 = 1,126.20 : x
  2. Step 2: Convert to fraction form
    1,765.11/2,433.87 = 1,126.20/x
  3. Step 3: Cross multiply
    1,765.11x = 2,433.87 × 1,126.20
  4. Step 4: Simplify right side
    1,765.11x = 2,741,024.39
  5. Step 5: Solve for x
    x = 2,741,024.39/1,765.11
  6. Step 6: Final answer
    x = 1,552.89

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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.