Home / 2,179.26-3,267.27-945.63

Finding the Fourth Proportional to 2,179.26, 3,267.27 and 945.63

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Solution

The fourth proportional to 2,179.26, 3,267.27 and 945.63 is: 1,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.26 : 3,267.27 = 945.63 : x
  2. Step 2: Convert to fraction form
    2,179.26/3,267.27 = 945.63/x
  3. Step 3: Cross multiply
    2,179.26x = 3,267.27 × 945.63
  4. Step 4: Simplify right side
    2,179.26x = 3,089,628.53
  5. Step 5: Solve for x
    x = 3,089,628.53/2,179.26
  6. Step 6: Final answer
    x = 1,417.74

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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.