Home / 2,276.17-3,141.79-1,425.87

Finding the Fourth Proportional to 2,276.17, 3,141.79 and 1,425.87

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Solution

The fourth proportional to 2,276.17, 3,141.79 and 1,425.87 is: 1,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.17 : 3,141.79 = 1,425.87 : x
  2. Step 2: Convert to fraction form
    2,276.17/3,141.79 = 1,425.87/x
  3. Step 3: Cross multiply
    2,276.17x = 3,141.79 × 1,425.87
  4. Step 4: Simplify right side
    2,276.17x = 4,479,780.54
  5. Step 5: Solve for x
    x = 4,479,780.54/2,276.17
  6. Step 6: Final answer
    x = 1,968.12

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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.