Home / 3,280.14-4,920.06-1,332.36

Finding the Fourth Proportional to 3,280.14, 4,920.06 and 1,332.36

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Solution

The fourth proportional to 3,280.14, 4,920.06 and 1,332.36 is: 1,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.14 : 4,920.06 = 1,332.36 : x
  2. Step 2: Convert to fraction form
    3,280.14/4,920.06 = 1,332.36/x
  3. Step 3: Cross multiply
    3,280.14x = 4,920.06 × 1,332.36
  4. Step 4: Simplify right side
    3,280.14x = 6,555,291.14
  5. Step 5: Solve for x
    x = 6,555,291.14/3,280.14
  6. Step 6: Final answer
    x = 1,998.48

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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.