Home / 2,756.24-4,134.24-1,112.36

Finding the Fourth Proportional to 2,756.24, 4,134.24 and 1,112.36

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Solution

The fourth proportional to 2,756.24, 4,134.24 and 1,112.36 is: 1,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.24 : 4,134.24 = 1,112.36 : x
  2. Step 2: Convert to fraction form
    2,756.24/4,134.24 = 1,112.36/x
  3. Step 3: Cross multiply
    2,756.24x = 4,134.24 × 1,112.36
  4. Step 4: Simplify right side
    2,756.24x = 4,598,763.21
  5. Step 5: Solve for x
    x = 4,598,763.21/2,756.24
  6. Step 6: Final answer
    x = 1,668.49

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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.