Home / 3,455.47-5,180.91-2,412.08

Finding the Fourth Proportional to 3,455.47, 5,180.91 and 2,412.08

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Solution

The fourth proportional to 3,455.47, 5,180.91 and 2,412.08 is: 3,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.47 : 5,180.91 = 2,412.08 : x
  2. Step 2: Convert to fraction form
    3,455.47/5,180.91 = 2,412.08/x
  3. Step 3: Cross multiply
    3,455.47x = 5,180.91 × 2,412.08
  4. Step 4: Simplify right side
    3,455.47x = 12,496,769.39
  5. Step 5: Solve for x
    x = 12,496,769.39/3,455.47
  6. Step 6: Final answer
    x = 3,616.52

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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.