Home / 2,407.20-3,321.60-1,344.92

Finding the Fourth Proportional to 2,407.20, 3,321.60 and 1,344.92

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Solution

The fourth proportional to 2,407.20, 3,321.60 and 1,344.92 is: 1,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.20 : 3,321.60 = 1,344.92 : x
  2. Step 2: Convert to fraction form
    2,407.20/3,321.60 = 1,344.92/x
  3. Step 3: Cross multiply
    2,407.20x = 3,321.60 × 1,344.92
  4. Step 4: Simplify right side
    2,407.20x = 4,467,286.27
  5. Step 5: Solve for x
    x = 4,467,286.27/2,407.20
  6. Step 6: Final answer
    x = 1,855.80

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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.