Home / 1,850.82-2,554.40-1,064.86

Finding the Fourth Proportional to 1,850.82, 2,554.40 and 1,064.86

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Solution

The fourth proportional to 1,850.82, 2,554.40 and 1,064.86 is: 1,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.82 : 2,554.40 = 1,064.86 : x
  2. Step 2: Convert to fraction form
    1,850.82/2,554.40 = 1,064.86/x
  3. Step 3: Cross multiply
    1,850.82x = 2,554.40 × 1,064.86
  4. Step 4: Simplify right side
    1,850.82x = 2,720,078.38
  5. Step 5: Solve for x
    x = 2,720,078.38/1,850.82
  6. Step 6: Final answer
    x = 1,469.66

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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.