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Finding the Fourth Proportional to 3,101.66, 4,277.12 and 2,655.01

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Solution

The fourth proportional to 3,101.66, 4,277.12 and 2,655.01 is: 3,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.66 : 4,277.12 = 2,655.01 : x
  2. Step 2: Convert to fraction form
    3,101.66/4,277.12 = 2,655.01/x
  3. Step 3: Cross multiply
    3,101.66x = 4,277.12 × 2,655.01
  4. Step 4: Simplify right side
    3,101.66x = 11,355,774.99
  5. Step 5: Solve for x
    x = 11,355,774.99/3,101.66
  6. Step 6: Final answer
    x = 3,661.20

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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.