Home / 2,132.24-3,198.38-572.32

Finding the Fourth Proportional to 2,132.24, 3,198.38 and 572.32

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Solution

The fourth proportional to 2,132.24, 3,198.38 and 572.32 is: 858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.24 : 3,198.38 = 572.32 : x
  2. Step 2: Convert to fraction form
    2,132.24/3,198.38 = 572.32/x
  3. Step 3: Cross multiply
    2,132.24x = 3,198.38 × 572.32
  4. Step 4: Simplify right side
    2,132.24x = 1,830,496.84
  5. Step 5: Solve for x
    x = 1,830,496.84/2,132.24
  6. Step 6: Final answer
    x = 858.49

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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.