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Finding the Fourth Proportional to 2,013.76, 3,018.81 and 714.92

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Solution

The fourth proportional to 2,013.76, 3,018.81 and 714.92 is: 1,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.76 : 3,018.81 = 714.92 : x
  2. Step 2: Convert to fraction form
    2,013.76/3,018.81 = 714.92/x
  3. Step 3: Cross multiply
    2,013.76x = 3,018.81 × 714.92
  4. Step 4: Simplify right side
    2,013.76x = 2,158,207.65
  5. Step 5: Solve for x
    x = 2,158,207.65/2,013.76
  6. Step 6: Final answer
    x = 1,071.73

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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.