Home / 2,133.02-3,199.50-1,165.25

Finding the Fourth Proportional to 2,133.02, 3,199.50 and 1,165.25

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Solution

The fourth proportional to 2,133.02, 3,199.50 and 1,165.25 is: 1,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.02 : 3,199.50 = 1,165.25 : x
  2. Step 2: Convert to fraction form
    2,133.02/3,199.50 = 1,165.25/x
  3. Step 3: Cross multiply
    2,133.02x = 3,199.50 × 1,165.25
  4. Step 4: Simplify right side
    2,133.02x = 3,728,201.38
  5. Step 5: Solve for x
    x = 3,728,201.38/2,133.02
  6. Step 6: Final answer
    x = 1,747.86

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Half scale
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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.