Home / 2,756.11-4,133.49-1,112.17

Finding the Fourth Proportional to 2,756.11, 4,133.49 and 1,112.17

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Solution

The fourth proportional to 2,756.11, 4,133.49 and 1,112.17 is: 1,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.11 : 4,133.49 = 1,112.17 : x
  2. Step 2: Convert to fraction form
    2,756.11/4,133.49 = 1,112.17/x
  3. Step 3: Cross multiply
    2,756.11x = 4,133.49 × 1,112.17
  4. Step 4: Simplify right side
    2,756.11x = 4,597,143.57
  5. Step 5: Solve for x
    x = 4,597,143.57/2,756.11
  6. Step 6: Final answer
    x = 1,667.98

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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.