Home / 3,613.14-5,421.33-1,534.57

Finding the Fourth Proportional to 3,613.14, 5,421.33 and 1,534.57

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Solution

The fourth proportional to 3,613.14, 5,421.33 and 1,534.57 is: 2,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.14 : 5,421.33 = 1,534.57 : x
  2. Step 2: Convert to fraction form
    3,613.14/5,421.33 = 1,534.57/x
  3. Step 3: Cross multiply
    3,613.14x = 5,421.33 × 1,534.57
  4. Step 4: Simplify right side
    3,613.14x = 8,319,396.82
  5. Step 5: Solve for x
    x = 8,319,396.82/3,613.14
  6. Step 6: Final answer
    x = 2,302.54

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1.5x scale

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.