Home / 3,613.50-5,421.96-1,533.99

Finding the Fourth Proportional to 3,613.50, 5,421.96 and 1,533.99

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Solution

The fourth proportional to 3,613.50, 5,421.96 and 1,533.99 is: 2,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.50 : 5,421.96 = 1,533.99 : x
  2. Step 2: Convert to fraction form
    3,613.50/5,421.96 = 1,533.99/x
  3. Step 3: Cross multiply
    3,613.50x = 5,421.96 × 1,533.99
  4. Step 4: Simplify right side
    3,613.50x = 8,317,232.42
  5. Step 5: Solve for x
    x = 8,317,232.42/3,613.50
  6. Step 6: Final answer
    x = 2,301.71

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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.