Home / 3,613.18-5,419.08-1,148.02

Finding the Fourth Proportional to 3,613.18, 5,419.08 and 1,148.02

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Solution

The fourth proportional to 3,613.18, 5,419.08 and 1,148.02 is: 1,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.18 : 5,419.08 = 1,148.02 : x
  2. Step 2: Convert to fraction form
    3,613.18/5,419.08 = 1,148.02/x
  3. Step 3: Cross multiply
    3,613.18x = 5,419.08 × 1,148.02
  4. Step 4: Simplify right side
    3,613.18x = 6,221,198.67
  5. Step 5: Solve for x
    x = 6,221,198.67/3,613.18
  6. Step 6: Final answer
    x = 1,721.81

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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.