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Finding the Fourth Proportional to 1,725.38, 2,588.12 and 800.66

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Solution

The fourth proportional to 1,725.38, 2,588.12 and 800.66 is: 1,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.38 : 2,588.12 = 800.66 : x
  2. Step 2: Convert to fraction form
    1,725.38/2,588.12 = 800.66/x
  3. Step 3: Cross multiply
    1,725.38x = 2,588.12 × 800.66
  4. Step 4: Simplify right side
    1,725.38x = 2,072,204.16
  5. Step 5: Solve for x
    x = 2,072,204.16/1,725.38
  6. Step 6: Final answer
    x = 1,201.01

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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.