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Finding the Fourth Proportional to 1,773.49, 2,660.37 and 603.49

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Solution

The fourth proportional to 1,773.49, 2,660.37 and 603.49 is: 905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.49 : 2,660.37 = 603.49 : x
  2. Step 2: Convert to fraction form
    1,773.49/2,660.37 = 603.49/x
  3. Step 3: Cross multiply
    1,773.49x = 2,660.37 × 603.49
  4. Step 4: Simplify right side
    1,773.49x = 1,605,506.69
  5. Step 5: Solve for x
    x = 1,605,506.69/1,773.49
  6. Step 6: Final answer
    x = 905.28

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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.