Home / 2,717.06-4,078.85-1,621.94

Finding the Fourth Proportional to 2,717.06, 4,078.85 and 1,621.94

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Solution

The fourth proportional to 2,717.06, 4,078.85 and 1,621.94 is: 2,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.06 : 4,078.85 = 1,621.94 : x
  2. Step 2: Convert to fraction form
    2,717.06/4,078.85 = 1,621.94/x
  3. Step 3: Cross multiply
    2,717.06x = 4,078.85 × 1,621.94
  4. Step 4: Simplify right side
    2,717.06x = 6,615,621.47
  5. Step 5: Solve for x
    x = 6,615,621.47/2,717.06
  6. Step 6: Final answer
    x = 2,434.85

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Why These Related Problems?

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