Home / 2,408.80-3,325.28-1,613.44

Finding the Fourth Proportional to 2,408.80, 3,325.28 and 1,613.44

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Solution

The fourth proportional to 2,408.80, 3,325.28 and 1,613.44 is: 2,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.80 : 3,325.28 = 1,613.44 : x
  2. Step 2: Convert to fraction form
    2,408.80/3,325.28 = 1,613.44/x
  3. Step 3: Cross multiply
    2,408.80x = 3,325.28 × 1,613.44
  4. Step 4: Simplify right side
    2,408.80x = 5,365,139.76
  5. Step 5: Solve for x
    x = 5,365,139.76/2,408.80
  6. Step 6: Final answer
    x = 2,227.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.