Home / 3,142.06-4,345.44-2,748.40

Finding the Fourth Proportional to 3,142.06, 4,345.44 and 2,748.40

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Solution

The fourth proportional to 3,142.06, 4,345.44 and 2,748.40 is: 3,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.06 : 4,345.44 = 2,748.40 : x
  2. Step 2: Convert to fraction form
    3,142.06/4,345.44 = 2,748.40/x
  3. Step 3: Cross multiply
    3,142.06x = 4,345.44 × 2,748.40
  4. Step 4: Simplify right side
    3,142.06x = 11,943,007.30
  5. Step 5: Solve for x
    x = 11,943,007.30/3,142.06
  6. Step 6: Final answer
    x = 3,801.01

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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.