Home / 3,148.47-4,719.04-2,783.97

Finding the Fourth Proportional to 3,148.47, 4,719.04 and 2,783.97

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Solution

The fourth proportional to 3,148.47, 4,719.04 and 2,783.97 is: 4,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.47 : 4,719.04 = 2,783.97 : x
  2. Step 2: Convert to fraction form
    3,148.47/4,719.04 = 2,783.97/x
  3. Step 3: Cross multiply
    3,148.47x = 4,719.04 × 2,783.97
  4. Step 4: Simplify right side
    3,148.47x = 13,137,658.83
  5. Step 5: Solve for x
    x = 13,137,658.83/3,148.47
  6. Step 6: Final answer
    x = 4,172.71

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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.