Home / 2,132.74-3,199.13-899.37

Finding the Fourth Proportional to 2,132.74, 3,199.13 and 899.37

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Solution

The fourth proportional to 2,132.74, 3,199.13 and 899.37 is: 1,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.74 : 3,199.13 = 899.37 : x
  2. Step 2: Convert to fraction form
    2,132.74/3,199.13 = 899.37/x
  3. Step 3: Cross multiply
    2,132.74x = 3,199.13 × 899.37
  4. Step 4: Simplify right side
    2,132.74x = 2,877,201.55
  5. Step 5: Solve for x
    x = 2,877,201.55/2,132.74
  6. Step 6: Final answer
    x = 1,349.06

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Double scale
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Similar ratio
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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.