Home / 3,467.40-5,203.79-2,420.60

Finding the Fourth Proportional to 3,467.40, 5,203.79 and 2,420.60

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Solution

The fourth proportional to 3,467.40, 5,203.79 and 2,420.60 is: 3,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.40 : 5,203.79 = 2,420.60 : x
  2. Step 2: Convert to fraction form
    3,467.40/5,203.79 = 2,420.60/x
  3. Step 3: Cross multiply
    3,467.40x = 5,203.79 × 2,420.60
  4. Step 4: Simplify right side
    3,467.40x = 12,596,284.54
  5. Step 5: Solve for x
    x = 12,596,284.54/3,467.40
  6. Step 6: Final answer
    x = 3,632.78

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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.