Home / 2,672.32-4,009.26-1,112.05

Finding the Fourth Proportional to 2,672.32, 4,009.26 and 1,112.05

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Solution

The fourth proportional to 2,672.32, 4,009.26 and 1,112.05 is: 1,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.32 : 4,009.26 = 1,112.05 : x
  2. Step 2: Convert to fraction form
    2,672.32/4,009.26 = 1,112.05/x
  3. Step 3: Cross multiply
    2,672.32x = 4,009.26 × 1,112.05
  4. Step 4: Simplify right side
    2,672.32x = 4,458,497.58
  5. Step 5: Solve for x
    x = 4,458,497.58/2,672.32
  6. Step 6: Final answer
    x = 1,668.40

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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.