Home / 2,755.35-4,133.23-1,111.93

Finding the Fourth Proportional to 2,755.35, 4,133.23 and 1,111.93

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Solution

The fourth proportional to 2,755.35, 4,133.23 and 1,111.93 is: 1,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.35 : 4,133.23 = 1,111.93 : x
  2. Step 2: Convert to fraction form
    2,755.35/4,133.23 = 1,111.93/x
  3. Step 3: Cross multiply
    2,755.35x = 4,133.23 × 1,111.93
  4. Step 4: Simplify right side
    2,755.35x = 4,595,849.32
  5. Step 5: Solve for x
    x = 4,595,849.32/2,755.35
  6. Step 6: Final answer
    x = 1,667.97

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1.5x scale

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.