Home / 3,417.13-5,127.05-1,774.72

Finding the Fourth Proportional to 3,417.13, 5,127.05 and 1,774.72

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Solution

The fourth proportional to 3,417.13, 5,127.05 and 1,774.72 is: 2,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.13 : 5,127.05 = 1,774.72 : x
  2. Step 2: Convert to fraction form
    3,417.13/5,127.05 = 1,774.72/x
  3. Step 3: Cross multiply
    3,417.13x = 5,127.05 × 1,774.72
  4. Step 4: Simplify right side
    3,417.13x = 9,099,078.18
  5. Step 5: Solve for x
    x = 9,099,078.18/3,417.13
  6. Step 6: Final answer
    x = 2,662.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.