Home / 3,456.80-5,203.88-3,150.62

Finding the Fourth Proportional to 3,456.80, 5,203.88 and 3,150.62

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Solution

The fourth proportional to 3,456.80, 5,203.88 and 3,150.62 is: 4,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.80 : 5,203.88 = 3,150.62 : x
  2. Step 2: Convert to fraction form
    3,456.80/5,203.88 = 3,150.62/x
  3. Step 3: Cross multiply
    3,456.80x = 5,203.88 × 3,150.62
  4. Step 4: Simplify right side
    3,456.80x = 16,395,448.41
  5. Step 5: Solve for x
    x = 16,395,448.41/3,456.80
  6. Step 6: Final answer
    x = 4,742.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.