Home / 2,132.37-3,197.19-899.45

Finding the Fourth Proportional to 2,132.37, 3,197.19 and 899.45

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Solution

The fourth proportional to 2,132.37, 3,197.19 and 899.45 is: 1,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.37 : 3,197.19 = 899.45 : x
  2. Step 2: Convert to fraction form
    2,132.37/3,197.19 = 899.45/x
  3. Step 3: Cross multiply
    2,132.37x = 3,197.19 × 899.45
  4. Step 4: Simplify right side
    2,132.37x = 2,875,696.56
  5. Step 5: Solve for x
    x = 2,875,696.56/2,132.37
  6. Step 6: Final answer
    x = 1,348.59

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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.