Home / 2,152.85-3,228.66-1,112.27

Finding the Fourth Proportional to 2,152.85, 3,228.66 and 1,112.27

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Solution

The fourth proportional to 2,152.85, 3,228.66 and 1,112.27 is: 1,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.85 : 3,228.66 = 1,112.27 : x
  2. Step 2: Convert to fraction form
    2,152.85/3,228.66 = 1,112.27/x
  3. Step 3: Cross multiply
    2,152.85x = 3,228.66 × 1,112.27
  4. Step 4: Simplify right side
    2,152.85x = 3,591,125.51
  5. Step 5: Solve for x
    x = 3,591,125.51/2,152.85
  6. Step 6: Final answer
    x = 1,668.08

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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.