Home / 3,613.35-5,421.58-1,534.76

Finding the Fourth Proportional to 3,613.35, 5,421.58 and 1,534.76

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Solution

The fourth proportional to 3,613.35, 5,421.58 and 1,534.76 is: 2,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.35 : 5,421.58 = 1,534.76 : x
  2. Step 2: Convert to fraction form
    3,613.35/5,421.58 = 1,534.76/x
  3. Step 3: Cross multiply
    3,613.35x = 5,421.58 × 1,534.76
  4. Step 4: Simplify right side
    3,613.35x = 8,320,793.18
  5. Step 5: Solve for x
    x = 8,320,793.18/3,613.35
  6. Step 6: Final answer
    x = 2,302.79

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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.