Home / 3,372.16-5,054.40-1,636.80

Finding the Fourth Proportional to 3,372.16, 5,054.40 and 1,636.80

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Solution

The fourth proportional to 3,372.16, 5,054.40 and 1,636.80 is: 2,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.16 : 5,054.40 = 1,636.80 : x
  2. Step 2: Convert to fraction form
    3,372.16/5,054.40 = 1,636.80/x
  3. Step 3: Cross multiply
    3,372.16x = 5,054.40 × 1,636.80
  4. Step 4: Simplify right side
    3,372.16x = 8,273,041.92
  5. Step 5: Solve for x
    x = 8,273,041.92/3,372.16
  6. Step 6: Final answer
    x = 2,453.34

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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.