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Finding the Fourth Proportional to 2,669.07, 4,005.42 and 937.68

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Solution

The fourth proportional to 2,669.07, 4,005.42 and 937.68 is: 1,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.07 : 4,005.42 = 937.68 : x
  2. Step 2: Convert to fraction form
    2,669.07/4,005.42 = 937.68/x
  3. Step 3: Cross multiply
    2,669.07x = 4,005.42 × 937.68
  4. Step 4: Simplify right side
    2,669.07x = 3,755,802.23
  5. Step 5: Solve for x
    x = 3,755,802.23/2,669.07
  6. Step 6: Final answer
    x = 1,407.16

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1.5x scale

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.