Home / 3,270.17-4,904.56-1,078.38

Finding the Fourth Proportional to 3,270.17, 4,904.56 and 1,078.38

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Solution

The fourth proportional to 3,270.17, 4,904.56 and 1,078.38 is: 1,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.17 : 4,904.56 = 1,078.38 : x
  2. Step 2: Convert to fraction form
    3,270.17/4,904.56 = 1,078.38/x
  3. Step 3: Cross multiply
    3,270.17x = 4,904.56 × 1,078.38
  4. Step 4: Simplify right side
    3,270.17x = 5,288,980.76
  5. Step 5: Solve for x
    x = 5,288,980.76/3,270.17
  6. Step 6: Final answer
    x = 1,617.34

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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.