Home / 3,190.48-4,786.08-1,458.88

Finding the Fourth Proportional to 3,190.48, 4,786.08 and 1,458.88

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Solution

The fourth proportional to 3,190.48, 4,786.08 and 1,458.88 is: 2,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.48 : 4,786.08 = 1,458.88 : x
  2. Step 2: Convert to fraction form
    3,190.48/4,786.08 = 1,458.88/x
  3. Step 3: Cross multiply
    3,190.48x = 4,786.08 × 1,458.88
  4. Step 4: Simplify right side
    3,190.48x = 6,982,316.39
  5. Step 5: Solve for x
    x = 6,982,316.39/3,190.48
  6. Step 6: Final answer
    x = 2,188.48

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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.