Home / 3,148.08-4,719.24-1,608.72

Finding the Fourth Proportional to 3,148.08, 4,719.24 and 1,608.72

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Solution

The fourth proportional to 3,148.08, 4,719.24 and 1,608.72 is: 2,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.08 : 4,719.24 = 1,608.72 : x
  2. Step 2: Convert to fraction form
    3,148.08/4,719.24 = 1,608.72/x
  3. Step 3: Cross multiply
    3,148.08x = 4,719.24 × 1,608.72
  4. Step 4: Simplify right side
    3,148.08x = 7,591,935.77
  5. Step 5: Solve for x
    x = 7,591,935.77/3,148.08
  6. Step 6: Final answer
    x = 2,411.61

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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.