Home / 2,661.23-3,672.54-1,542.26

Finding the Fourth Proportional to 2,661.23, 3,672.54 and 1,542.26

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Solution

The fourth proportional to 2,661.23, 3,672.54 and 1,542.26 is: 2,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.23 : 3,672.54 = 1,542.26 : x
  2. Step 2: Convert to fraction form
    2,661.23/3,672.54 = 1,542.26/x
  3. Step 3: Cross multiply
    2,661.23x = 3,672.54 × 1,542.26
  4. Step 4: Simplify right side
    2,661.23x = 5,663,993.18
  5. Step 5: Solve for x
    x = 5,663,993.18/2,661.23
  6. Step 6: Final answer
    x = 2,128.33

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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.