Home / 3,717.29-5,129.93-2,145.44

Finding the Fourth Proportional to 3,717.29, 5,129.93 and 2,145.44

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Solution

The fourth proportional to 3,717.29, 5,129.93 and 2,145.44 is: 2,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.29 : 5,129.93 = 2,145.44 : x
  2. Step 2: Convert to fraction form
    3,717.29/5,129.93 = 2,145.44/x
  3. Step 3: Cross multiply
    3,717.29x = 5,129.93 × 2,145.44
  4. Step 4: Simplify right side
    3,717.29x = 11,005,946.29
  5. Step 5: Solve for x
    x = 11,005,946.29/3,717.29
  6. Step 6: Final answer
    x = 2,960.74

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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.