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Finding the Fourth Proportional to 1,371.54, 2,057.85 and 601.50

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Solution

The fourth proportional to 1,371.54, 2,057.85 and 601.50 is: 902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.54 : 2,057.85 = 601.50 : x
  2. Step 2: Convert to fraction form
    1,371.54/2,057.85 = 601.50/x
  3. Step 3: Cross multiply
    1,371.54x = 2,057.85 × 601.50
  4. Step 4: Simplify right side
    1,371.54x = 1,237,796.78
  5. Step 5: Solve for x
    x = 1,237,796.78/1,371.54
  6. Step 6: Final answer
    x = 902.49

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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.