Home / 2,662.05-3,673.38-1,543.03

Finding the Fourth Proportional to 2,662.05, 3,673.38 and 1,543.03

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Solution

The fourth proportional to 2,662.05, 3,673.38 and 1,543.03 is: 2,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662.05 : 3,673.38 = 1,543.03 : x
  2. Step 2: Convert to fraction form
    2,662.05/3,673.38 = 1,543.03/x
  3. Step 3: Cross multiply
    2,662.05x = 3,673.38 × 1,543.03
  4. Step 4: Simplify right side
    2,662.05x = 5,668,135.54
  5. Step 5: Solve for x
    x = 5,668,135.54/2,662.05
  6. Step 6: Final answer
    x = 2,129.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.