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Finding the Fourth Proportional to 3,712.13, 5,122.73 and 2,056.13

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Solution

The fourth proportional to 3,712.13, 5,122.73 and 2,056.13 is: 2,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.13 : 5,122.73 = 2,056.13 : x
  2. Step 2: Convert to fraction form
    3,712.13/5,122.73 = 2,056.13/x
  3. Step 3: Cross multiply
    3,712.13x = 5,122.73 × 2,056.13
  4. Step 4: Simplify right side
    3,712.13x = 10,532,978.36
  5. Step 5: Solve for x
    x = 10,532,978.36/3,712.13
  6. Step 6: Final answer
    x = 2,837.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.