Home / 3,320.15-4,979.08-1,472.56

Finding the Fourth Proportional to 3,320.15, 4,979.08 and 1,472.56

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Solution

The fourth proportional to 3,320.15, 4,979.08 and 1,472.56 is: 2,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.15 : 4,979.08 = 1,472.56 : x
  2. Step 2: Convert to fraction form
    3,320.15/4,979.08 = 1,472.56/x
  3. Step 3: Cross multiply
    3,320.15x = 4,979.08 × 1,472.56
  4. Step 4: Simplify right side
    3,320.15x = 7,331,990.36
  5. Step 5: Solve for x
    x = 7,331,990.36/3,320.15
  6. Step 6: Final answer
    x = 2,208.33

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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.