Home / 3,919.48-5,875.50-1,453.66

Finding the Fourth Proportional to 3,919.48, 5,875.50 and 1,453.66

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Solution

The fourth proportional to 3,919.48, 5,875.50 and 1,453.66 is: 2,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.48 : 5,875.50 = 1,453.66 : x
  2. Step 2: Convert to fraction form
    3,919.48/5,875.50 = 1,453.66/x
  3. Step 3: Cross multiply
    3,919.48x = 5,875.50 × 1,453.66
  4. Step 4: Simplify right side
    3,919.48x = 8,540,979.33
  5. Step 5: Solve for x
    x = 8,540,979.33/3,919.48
  6. Step 6: Final answer
    x = 2,179.11

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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.