Home / 3,320.44-4,979.25-1,470.25

Finding the Fourth Proportional to 3,320.44, 4,979.25 and 1,470.25

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Solution

The fourth proportional to 3,320.44, 4,979.25 and 1,470.25 is: 2,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.44 : 4,979.25 = 1,470.25 : x
  2. Step 2: Convert to fraction form
    3,320.44/4,979.25 = 1,470.25/x
  3. Step 3: Cross multiply
    3,320.44x = 4,979.25 × 1,470.25
  4. Step 4: Simplify right side
    3,320.44x = 7,320,742.31
  5. Step 5: Solve for x
    x = 7,320,742.31/3,320.44
  6. Step 6: Final answer
    x = 2,204.75

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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.