Home / 3,651.68-5,479.08-2,419.52

Finding the Fourth Proportional to 3,651.68, 5,479.08 and 2,419.52

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Solution

The fourth proportional to 3,651.68, 5,479.08 and 2,419.52 is: 3,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.68 : 5,479.08 = 2,419.52 : x
  2. Step 2: Convert to fraction form
    3,651.68/5,479.08 = 2,419.52/x
  3. Step 3: Cross multiply
    3,651.68x = 5,479.08 × 2,419.52
  4. Step 4: Simplify right side
    3,651.68x = 13,256,743.64
  5. Step 5: Solve for x
    x = 13,256,743.64/3,651.68
  6. Step 6: Final answer
    x = 3,630.31

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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.