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Finding the Fourth Proportional to 2,129.33, 3,194.22 and 897.01

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Solution

The fourth proportional to 2,129.33, 3,194.22 and 897.01 is: 1,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.33 : 3,194.22 = 897.01 : x
  2. Step 2: Convert to fraction form
    2,129.33/3,194.22 = 897.01/x
  3. Step 3: Cross multiply
    2,129.33x = 3,194.22 × 897.01
  4. Step 4: Simplify right side
    2,129.33x = 2,865,247.28
  5. Step 5: Solve for x
    x = 2,865,247.28/2,129.33
  6. Step 6: Final answer
    x = 1,345.61

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Double scale
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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.