Home / 3,478.08-5,214.99-1,629.77

Finding the Fourth Proportional to 3,478.08, 5,214.99 and 1,629.77

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Solution

The fourth proportional to 3,478.08, 5,214.99 and 1,629.77 is: 2,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.08 : 5,214.99 = 1,629.77 : x
  2. Step 2: Convert to fraction form
    3,478.08/5,214.99 = 1,629.77/x
  3. Step 3: Cross multiply
    3,478.08x = 5,214.99 × 1,629.77
  4. Step 4: Simplify right side
    3,478.08x = 8,499,208.18
  5. Step 5: Solve for x
    x = 8,499,208.18/3,478.08
  6. Step 6: Final answer
    x = 2,443.65

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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.