Home / 1,850.11-2,553.07-1,103.89

Finding the Fourth Proportional to 1,850.11, 2,553.07 and 1,103.89

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Solution

The fourth proportional to 1,850.11, 2,553.07 and 1,103.89 is: 1,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.11 : 2,553.07 = 1,103.89 : x
  2. Step 2: Convert to fraction form
    1,850.11/2,553.07 = 1,103.89/x
  3. Step 3: Cross multiply
    1,850.11x = 2,553.07 × 1,103.89
  4. Step 4: Simplify right side
    1,850.11x = 2,818,308.44
  5. Step 5: Solve for x
    x = 2,818,308.44/1,850.11
  6. Step 6: Final answer
    x = 1,523.32

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1.5x scale

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.