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Finding the Fourth Proportional to 1,602.81, 2,403.90 and 736.92

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Solution

The fourth proportional to 1,602.81, 2,403.90 and 736.92 is: 1,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.81 : 2,403.90 = 736.92 : x
  2. Step 2: Convert to fraction form
    1,602.81/2,403.90 = 736.92/x
  3. Step 3: Cross multiply
    1,602.81x = 2,403.90 × 736.92
  4. Step 4: Simplify right side
    1,602.81x = 1,771,481.99
  5. Step 5: Solve for x
    x = 1,771,481.99/1,602.81
  6. Step 6: Final answer
    x = 1,105.24

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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.