Home / 3,640.42-5,461.27-2,408.84

Finding the Fourth Proportional to 3,640.42, 5,461.27 and 2,408.84

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Solution

The fourth proportional to 3,640.42, 5,461.27 and 2,408.84 is: 3,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.42 : 5,461.27 = 2,408.84 : x
  2. Step 2: Convert to fraction form
    3,640.42/5,461.27 = 2,408.84/x
  3. Step 3: Cross multiply
    3,640.42x = 5,461.27 × 2,408.84
  4. Step 4: Simplify right side
    3,640.42x = 13,155,292.30
  5. Step 5: Solve for x
    x = 13,155,292.30/3,640.42
  6. Step 6: Final answer
    x = 3,613.68

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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.