Home / 3,270.81-4,904.67-1,189.34

Finding the Fourth Proportional to 3,270.81, 4,904.67 and 1,189.34

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Solution

The fourth proportional to 3,270.81, 4,904.67 and 1,189.34 is: 1,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.81 : 4,904.67 = 1,189.34 : x
  2. Step 2: Convert to fraction form
    3,270.81/4,904.67 = 1,189.34/x
  3. Step 3: Cross multiply
    3,270.81x = 4,904.67 × 1,189.34
  4. Step 4: Simplify right side
    3,270.81x = 5,833,320.22
  5. Step 5: Solve for x
    x = 5,833,320.22/3,270.81
  6. Step 6: Final answer
    x = 1,783.45

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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.