Home / 3,251.81-4,876.56-1,171.25

Finding the Fourth Proportional to 3,251.81, 4,876.56 and 1,171.25

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Solution

The fourth proportional to 3,251.81, 4,876.56 and 1,171.25 is: 1,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.81 : 4,876.56 = 1,171.25 : x
  2. Step 2: Convert to fraction form
    3,251.81/4,876.56 = 1,171.25/x
  3. Step 3: Cross multiply
    3,251.81x = 4,876.56 × 1,171.25
  4. Step 4: Simplify right side
    3,251.81x = 5,711,683.09
  5. Step 5: Solve for x
    x = 5,711,683.09/3,251.81
  6. Step 6: Final answer
    x = 1,756.46

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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.