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Finding the Fourth Proportional to 1,669.23, 2,502.21 and 937.23

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Solution

The fourth proportional to 1,669.23, 2,502.21 and 937.23 is: 1,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.23 : 2,502.21 = 937.23 : x
  2. Step 2: Convert to fraction form
    1,669.23/2,502.21 = 937.23/x
  3. Step 3: Cross multiply
    1,669.23x = 2,502.21 × 937.23
  4. Step 4: Simplify right side
    1,669.23x = 2,345,146.28
  5. Step 5: Solve for x
    x = 2,345,146.28/1,669.23
  6. Step 6: Final answer
    x = 1,404.93

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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.