Home / 2,132.62-2,945.64-1,542.22

Finding the Fourth Proportional to 2,132.62, 2,945.64 and 1,542.22

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Solution

The fourth proportional to 2,132.62, 2,945.64 and 1,542.22 is: 2,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.62 : 2,945.64 = 1,542.22 : x
  2. Step 2: Convert to fraction form
    2,132.62/2,945.64 = 1,542.22/x
  3. Step 3: Cross multiply
    2,132.62x = 2,945.64 × 1,542.22
  4. Step 4: Simplify right side
    2,132.62x = 4,542,824.92
  5. Step 5: Solve for x
    x = 4,542,824.92/2,132.62
  6. Step 6: Final answer
    x = 2,130.16

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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.