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Finding the Fourth Proportional to 2,707.94, 4,061.91 and 952.53

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Solution

The fourth proportional to 2,707.94, 4,061.91 and 952.53 is: 1,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.94 : 4,061.91 = 952.53 : x
  2. Step 2: Convert to fraction form
    2,707.94/4,061.91 = 952.53/x
  3. Step 3: Cross multiply
    2,707.94x = 4,061.91 × 952.53
  4. Step 4: Simplify right side
    2,707.94x = 3,869,091.13
  5. Step 5: Solve for x
    x = 3,869,091.13/2,707.94
  6. Step 6: Final answer
    x = 1,428.80

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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.