Home / 3,371.69-5,055.32-1,616.65

Finding the Fourth Proportional to 3,371.69, 5,055.32 and 1,616.65

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Solution

The fourth proportional to 3,371.69, 5,055.32 and 1,616.65 is: 2,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.69 : 5,055.32 = 1,616.65 : x
  2. Step 2: Convert to fraction form
    3,371.69/5,055.32 = 1,616.65/x
  3. Step 3: Cross multiply
    3,371.69x = 5,055.32 × 1,616.65
  4. Step 4: Simplify right side
    3,371.69x = 8,172,674.48
  5. Step 5: Solve for x
    x = 8,172,674.48/3,371.69
  6. Step 6: Final answer
    x = 2,423.91

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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.