Home / 3,613.32-5,419.22-1,148.36

Finding the Fourth Proportional to 3,613.32, 5,419.22 and 1,148.36

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Solution

The fourth proportional to 3,613.32, 5,419.22 and 1,148.36 is: 1,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.32 : 5,419.22 = 1,148.36 : x
  2. Step 2: Convert to fraction form
    3,613.32/5,419.22 = 1,148.36/x
  3. Step 3: Cross multiply
    3,613.32x = 5,419.22 × 1,148.36
  4. Step 4: Simplify right side
    3,613.32x = 6,223,182.64
  5. Step 5: Solve for x
    x = 6,223,182.64/3,613.32
  6. Step 6: Final answer
    x = 1,722.29

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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.